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originally consisted of one radio relay building, one microwave tower enclosed by a chain link fence, and a 2,050-foot runway. These facilities total 30.32 acres. Two 14,000-gallon steel underground diesel fuel storage tanks are located west of the building. Figure 3 shows the original facilities at
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variant with radome blocks having two high-density 1 millimeter thick skins that cover a 15 centimeter thick Kraft-paper core (total of 1,646 hexagonal and pentagonal blocks (the hexagonal blocks were "66-inch panels".) The completion of the FPS-92 raised the final construction price of the missile
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radars became operational. After a Thule radome fire, Clear's FPS-92 radome was replaced in 1981 by first disassembling the tracker, constructing the new radome, and reconstructing the FPS-92. Clear's 1st all-female crew pulled its 1st shift on
February 28, 1986 (the 1st female, Lt. Anderson was
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construction began in August 1958 with 700 workers—i.e., a "construction" camp was being erected in
September 1958 by "Patti-McDonald and Morrison-Knudsen" next to the railroad (for $ 1.7 million, 40,000 ft of railroad were moved by 1959.) Groundbreaking for radar structures was May 1959
393:
In May 1958 total costs for the planned Thule and Clear BMEWS stations were estimated at ~$ 800 million. In
October 1958 they were both estimated to be completed in September 1960. An additional 10-by-40-mile (16 km × 64 km) area was appropriated for BMEWS Site II
348:), the "SSPARS Site" the technical site (Utilador, BMEWS reflectors, support buildings, power plant), and the composite site (two permanent dormitories, a mess hall, recreation area, and administrative area). In addition to the Air National Guard unit, Clear has active duty USSF,
436:("Baker and Ford built a transmitter and computer building; a heat dissipation system; a radar transmitter building; wells and pumphouses; a fire station; and utilities") and the AN/FPS-50 pedestals were complete by June 2, 1959. In 1959 after the original
440:
contract, "the next segment of WACS... was series of TD-2 microwave installations to support... two routes linked the
Ballistic Missile Early Warning Site (BMEWS) at Clear AFB... one going down the southeast coast (the A route) to the
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519:
data was completed. On July 31, 1962, NORAD recommended a tracking radar at Clear to close the BMEWS gap with Thule for low-angle missiles vice those with the 15-65 degree angle for which BMEWS was designed (North Dakota's
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Gold King Creek AFS (rdsgd Gold King Creek RR Site) (detchd instl), 45 mi NE of
Fairbanks, AK, 16 Jul 1959 (dsgd)... Wideawake Fld (rdsgd Ascension Isl Aux Fid)... Ascension Isl, South Atlantic Ocean, 25 Jun 1956
474:
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Clear provided emergency shelter for 216 flood refugees during August 1967, the same year many "temporary" buildings were replaced. Personnel at the installation subsequently provided measurements for a
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were installed with antenna reflectors 165 by 400 feet (50 m × 122 m) that each weigh 1,000 short tons (910 t; 890 long tons). The "Building Two" middle transmitter building had the
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was responsible for operations by civilian contractor personnel until 1964, when Air Force personnel began permanently manning the
Tactical Operations Room (TOR).
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Grimes, M. D.; Grothaus, M. G.; North, W. R.; Brittain, D.; Norander, R.; Kajonpong, D. (1 July 1995). "A new modulator design for the BMEWS transmitter".
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1304:(Report). Vol. I: Active Air Force Bases Within the United States of America on 17 September 1982. Office of Air Force History. p. 600.
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445:-Seattle submarine cable*, and the other, going east to the Canada–US border (B Route) through Canada, down to the lower 48 which was Clear's
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2855:
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Those marked as GSU are
Geographically Separate Units, which although based at Clear, are subordinate to a unit based at another location.
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BMEWS was replaced by the Solid State Phased Array Radar System (SSPARS) in 2001. ... CINCAD (Command in Chief, Aerospace
Defense Command)
1376:
7 November
Installation of radar hardware at Site I, Thule, Greenland, for the Ballistic Missile Early Warning System (BMEWS) was begun.
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warning system at Clear to $ 300 million. $ 62 million of this figure had been spent by the Alaska
District of the Corps of Engineers.)
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2013:
3333:
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were obtained as surplus from Clear's decommissioned BMEWS transmitters.) Clear's FPS-120 began 24-hour operations when Clear's
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equipment installed by the time the BAS was accepted on 10 February 1961. The BAS was deactivated in 1970. In 1975, the
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with 2500 "solid state transmitter" modules. On December 15, 2000, the FPS-50 and −92 transmissions ceased (all of the
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In addition to the "original camp area" with buildings still in use today, areas of the station include the airfield (
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on January 31, 2001; the date the entire SSPARS became operational (SSPARS sites were modified in the
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Clear Air Force Station, Ballistic Missile Early Warning System Site II, Anderson, Denali Borough, AK
872:
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291:
275:
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17:
1198:
Installation Restoration Program Preliminary Assessment: Gold King Creek Radio Relay Station, Alaska
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began a 2007 contract for SSPARS maintenance, and the Clear FPS-120 was subsequently upgraded to an
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1956:
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operators within 160 kilometers of Clear must not transmit with more than 50 watts of power on the
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operated and maintained the Clear BMEWS under a USAF Space Command contract and in the 1990s, the
3314:
3257:
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2445:
832:
1814:"U.S. to Sell Large Early Warning Radar to Qatar (August 7, 2013) (corrected February 10, 2014)"
1148:"VIII : Military Construction : Creating a Permanent Military Establishment in Alaska"
3171:
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2026:", 131 photos, 9 measured drawings, 80 data pages, 18 photo caption pages
1796:"BAE Systems To Continue Maintaining SSPARS Radar Network for U.S. Air Force - SpaceNews.com"
843:
492:, Massachusetts, on April 1, 1961, and BMEWS Site II was completed July 1, 1961 (the date of
413:
31:
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2938:
591:
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with an 84-foot (26 m) diameter antenna housed in a 42.7-meter (140 ft) diameter
1033:
728:
On 15 June 2021 it was renamed from Clear Air Force Station to Clear Space Force Station.
8:
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page 269 "William A. Smith Contracting relocated a 40,000-foot length of the railroad."
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upgraded Clear's pulse modulator for the transmitter final-stage power amplifier.
3604:
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1879:"Long-range missile defense radar ready to 'plug in' at NORTHCOM within 'months'"
1071:(Report). Vol. Study S-467. Institute for Defense Analyses. pp. 1–138.
583:
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1492:"Draft : The Coldest Front : Cold War Military Properties in Alska"
900:
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489:
421:
144:
131:
55:
2029:
1623:
1616:
Digest of Technical Papers. Tenth IEEE International Pulsed Power Conference
1027:
Cultural Resources Survey and Management Plan of the Clear Air Force Station
675:(e.g., the array elements) was held at Clear for the more advanced Raytheon
1470:
1390:"50 YEARS since 1964 earthquake catastrophe: Military integral to recovery"
953:
Cold War Historic Properties of the 21st Space Wing Air Force Space Command
521:
417:
398:
315:
1276:
742:
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714:
2023:
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1768:
Space Warfare and Defense: A Historical Encyclopedia and Research Guide
725:"featuring processor and software improvements to enhance capability."
676:
595:
528:
384:
295:
215:
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In 1966, the last of the five BMEWS tracking radars was installed, an
2786:
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599:
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struck, and Clear was unable to perform its mission for six minutes.
442:
364:
303:
1355:
A Historical Chronology of the Electronic Systems Division 1947-1986
594:
told Congress that Clear Air Force Station would be closed when the
360:
688:
330:
323:
3122:
1062:
The Evolution of U.S. Strategic Command and Control and Warning:
667:
On April 16, 1998, groundbreaking for installing 1987 AN/FPS-115
512:
458:
290:'s command center and to provide Space Surveillance data to the
3030:
2008:
1714:"Arecibo 430 MHz Radar System Operation and Maintenance Manual"
1543:
Space and Missile Systems Organization: A Chronology, 1954-1979
558:
51:
1861:"Clear Air Force Station renamed as Clear Space Force Station"
1984:
368:
326:
287:
3024:
1203:(Report). Hazardous Materials Technical Center. April 1989.
511:
had been installed at Thule and Clear and by June 30, 1962,
1613:
706:
On August 30, 2006, after a transition that began in 2001,
379:
lay across some of the site. The site was purchased by the
279:
1353:
Del Papa, Dr. E. Michael; Warner, Mary P (October 1987).
420:
that flows past Clear. This has transported coal for the
395:
1949:
A Handbook of Aerospace Defense Organization 1946 - 1980
32:
the Shemya Island radar station at Eareckson AFS, Alaska
713:
took on the early warning/space surveillance mission.
507:
in November 1961. By mid-1962, BMEWS "quick fixes" for
2957:
1653:
1651:
427:
1648:
408:, being about 15 kilometres (9.3 mi) south of
4131:Buildings and structures in Denali Borough, Alaska
3250:
1338:1962 NORAD/CONAD Historical Summary, July-December
701:Early Warning Radar Service Life Extension Program
3408:
1920:"Clear welcomes a familiar face as new commander"
1465:
1463:
1440:"Electronic Eye Watches For Sneak Missile Attack"
1415:"The Morning Record - Google News Archive Search"
4122:
2980:Space Training and Readiness Delta (Provisional)
1177:"Summit Failure Speeds Up Development of BMEWS"
475:Sylvania AN/FSQ-28 Missile Impact Predictor Set
4151:Installations of the United States Space Force
4146:Historic American Engineering Record in Alaska
1918:Mann, Senior Master Sgt. Paul (20 July 2018).
1893:"Fact Sheet – Space Delta 4 - Missile Warning"
1460:
1352:
3394:
3010:
2059:
2045:
1333:
1331:
917:
890:
648:BMEWS radars after phased array was completed
534:
2266:United States Space Forces Europe and Africa
1520:"Reading Eagle - Google News Archive Search"
1100:"Watchful eye of BMEWS turns toward Soviets"
1094:
1092:
756:
298:Upgraded Early Warning Radar is part of the
1486:
1484:
1055:
1053:
335:BMEWS Central Computer and Display Facility
4156:Military installations established in 1959
4136:Buildings and structures completed in 1959
3401:
3387:
3017:
3003:
2052:
2038:
1328:
815:
783:
750:Units based at Clear Space Force Station.
318:. The "historic property" was one of the
1946:Johnson, Mildred W. (31 December 1980) .
1089:
1059:
2144:
2107:Chief Master Sergeant of the Space Force
1481:
1050:
1032:(Report). ORNL.gov. 1991. Archived from
741:
359:
2271:United States Space Forces Indo-Pacific
1945:
1938:
1764:
1758:
1676:
1618:. Vol. 1. pp. 688–693 vol.1.
1346:
1296:
1290:
1266:
1142:
1140:
1138:
746:The 11-story tall phased array building
719:AN/FPS-132 Upgraded Early Warning Radar
660:AN/FPS-132 Upgraded Early Warning Radar
383:in 1949 for use as a gunnery range for
14:
4123:
1387:
1367:from the original on December 24, 2013
1174:
1168:
947:
945:
734:was being tested at the base in 2022.
352:, civilian, and contractor personnel.
302:(SSPARS) which also includes those at
3382:
2998:
2033:
617:
300:Solid State Phased Array Radar System
284:submarine-launched ballistic missiles
278:radar station for detecting incoming
69:An aerial image of Clear SFS in 1999.
3139:
2238:Space Training and Readiness Command
2020:Historic American Engineering Record
1917:
1471:"[6.0] Miscellaneous Topics"
1135:
238:(as Clear Air Force Auxiliary Field)
1955:. Peterson AFB: Office of History,
1210:from the original on April 16, 2014
1175:Rogers, Warren Jr. (June 2, 1960).
1078:from the original on March 11, 2014
942:
695:(separate from the BMEWS site) had
433:Clear Missile Early Warning Station
428:Clear Missile Early Warning Station
24:
2944:Air & Space Forces Association
2281:United States Space Forces – Space
2261:United States Space Forces Central
2164:Senate Committee on Armed Services
1885:
500:was declared three months later.)
320:Alaska World War II Army Airfields
25:
4167:
2715:Space Warfighting Analysis Center
2117:Deputy Chiefs of Space Operations
2001:
1590:"Clear Air Force Station, Alaska"
977:"Clear Air Force Station, Alaska"
723:Boeing Integrated Defense Systems
438:White Alice Communications System
404:Clear is served by a spur of the
102:
3461:Space Innovation and Development
3439:
3409:
3121:
2276:United States Space Forces Korea
2183:
2085:Under Secretary of the Air Force
2007:
1985:"47 CFR §2.106 - Footnote US270"
1657:
1267:McManus, Gene (September 1996).
654:
642:
630:
389:Clear Air Force Auxiliary Field.
101:
94:
75:
63:
27:US Space Force station in Alaska
3229:Joint Base Elmendorf-Richardson
2710:Space Rapid Capabilities Office
1977:
1911:
1871:
1853:
1824:
1806:
1788:
1734:
1706:
1670:
1607:
1582:
1546:
1537:
1512:
1432:
1407:
1388:McCann, Chris (24 March 2014).
1381:
1260:
1237:"Rabbit Creek White Alice Site"
1229:
1190:
732:Long Range Discrimination Radar
4060:1st Space Development Squadron
3466:614th Air and Space Operations
2884:Reserve Officer Training Corps
2152:House Armed Services Committee
2102:Vice Chief of Space Operations
1798:. 3 March 2014. Archived from
1120:
1019:
994:
969:
737:
697:Initial Operational Capability
636:Dogsled near FPS-50 reflectors
586:could be affected. Clear had
447:Rearward Communications System
13:
1:
4141:1959 establishments in Alaska
4066:3d Space Development Squadron
4063:2d Space Development Squadron
2169:Strategic Forces subcommittee
2157:Strategic Forces subcommittee
1686:(2nd ed.). McGraw-Hill.
1179:. Herald Tribune News Service
910:
862:13th Missile Warning Squadron
561:. The FPS-92 was an improved
329:site providing NORAD data to
115:Location in the United States
2504:3rd satellite Communications
823:213th Space Warning Squadron
805:213th Space Warning Squadron
711:213th Space Warning Squadron
612:Southwest Research Institute
457:(B Route) with data for the
308:Cape Cod Space Force Station
264:213th Space Warning Squadron
7:
4096:2d Test Operations Squadron
4038:527th Space Aggressor (ACC)
4031:26th Space Aggressor (AFRC)
2075:Department of the Air Force
1899:. US Space Force. July 2020
1677:Skolnik, Merrill I (1990).
1060:Wainstein, L. (June 1975).
897:Code of Federal Regulations
879:Electronic Systems Division
775:13th Space Warning Squadron
498:Full operational capability
482:Clear Msl Early Warning Stn
260:13th Space Warning Squadron
10:
4172:
4056:850th Space Communications
2080:Secretary of the Air Force
2022:(HAER) No. AK-30-A, "
1926:. US Department of Defense
891:Amateur radio restrictions
851:Fourteenth Aerospace Force
574:experiment which injected
535:Missile warning operations
381:Department of the Interior
355:
29:
4070:3rd Space Experimentation
4050:50th Space Communications
4020:
3928:
3813:
3769:
3711:
3649:
3642:
3623:
3582:
3520:
3474:
3456:Space and Missile Systems
3448:
3437:
3421:
3362:
3345:
3323:
3302:
3279:
3270:
3241:
3219:
3201:
3185:
3162:
3153:
3130:
3119:
3098:
3072:
3046:
3037:
2909:
2846:
2796:
2775:
2734:
2727:
2697:
2418:
2289:
2253:
2201:
2192:
2181:
2097:Chief of Space Operations
2067:
2061:United States Space Force
2014:Clear Space Force Station
873:71st Missile Warning Wing
855:Aerospace Defense Command
790:Alaska Air National Guard
757:United States Space Force
653:
641:
629:
624:
541:71st Missile Warning Wing
515:integration of BMEWS and
292:United States Space Force
276:United States Space Force
272:Clear Space Force Station
255:
250:
242:
226:
221:
211:
203:
193:
188:United States Space Force
183:
173:
168:
160:
123:
89:
74:
62:
44:
40:Clear Space Force Station
39:
3791:3d Space Launch Squadron
3415:Space Operations Command
2705:Space Development Agency
2664:17th Test and Evaluation
2254:Component Field Commands
2214:Space Operations Command
1957:Aerospace Defense Center
1818:Mostlymissiledefense.com
1644:– via IEEE Xplore.
1297:Mueller, Robert (1989).
763:Space Operations Command
350:Royal Canadian Air Force
30:Not to be confused with
4102:4th Space Test Squadron
4044:3d Space Communications
3203:Air National Guard Base
2958:Former wings and deltas
2949:Space Force Association
2894:Basic Military Training
2889:Officer Training School
2659:3rd Test and Evaluation
2654:1st Test and Evaluation
2471:20th Space Surveillance
2456:15th Space Surveillance
2451:21st Operations Support
1624:10.1109/PPC.1995.596791
1594:Themilitarystandard.com
1269:"BMEWS - 51- Full Days"
1107:Ellensburg Daily Record
981:Airforce-technology.com
833:Air Force Space Command
816:Units to which assigned
801:168th Operations Group
784:United States Air Force
555:RCA AN/FPS-92 Radar Set
527:currently monitors for
473:room and room with the
466:GE AN/FPS-50 Radar Sets
4099:3d Space Test Squadron
4091:1st Air and Space Test
4085:5th Space Surveillance
4075:1st Space Surveillance
3431:Fourteenth (Strategic)
3027:military installations
2861:Awards and decorations
2698:Direct reporting units
1897:Buckley Air Force Base
1865:Buckley.spaceforce.mil
1765:Chapman, Bert (2008).
866:Outstanding Unit Award
747:
548:Good Friday earthquake
372:
164:US Space Force station
145:64.29056°N 149.18694°W
4080:3d Space Surveillance
2649:527th Space Aggressor
2644:53rd Space Operations
2639:10th Space Operations
2559:23rd Space Operations
2554:22nd Space Operations
2549:21st Space Operations
2431:319th Combat Training
2390:Space Launch Delta 45
2385:Space Launch Delta 30
2226:Space Systems Command
2209:Space Futures Command
1443:(Google news archive)
1103:(Google news archive)
844:Strategic Air Command
745:
503:Clear transferred to
424:and heavy equipment.
414:Mears Memorial Bridge
399:BMEWS Site I at Thule
363:
178:Department of Defense
3635:821st Air Base Group
2797:Space Force Stations
2684:1st Range Operations
2634:4th Space Operations
2629:3rd Space Operations
2624:2nd Space Operations
2619:1st Space Operations
2544:55th Combat Training
2441:392d Combat Training
2426:1st Delta Operations
2016:at Wikimedia Commons
1224:Gold King Creek RRS.
871:1961: Detachment 2,
592:Secretary of Defense
572:University of Alaska
539:Detachment 2 of the
251:Garrison information
150:64.29056; -149.18694
3650:Command and Control
3251:Space Force Station
3100:Army National Guard
2476:3rd Combat Training
2134:Lieutenant Generals
1570:on 27 November 2011
885:Alaskan Air Command
681:Arecibo Observatory
606:Beginning in 1987,
603:assigned in 1973.)
576:sulfur hexafluoride
563:AN/FPS-49 Radar Set
525:radar built in 1975
505:Air Defense Command
455:Gold King Creek AFS
141: /
4106:55th Space Weather
2539:13th Space Warning
2534:12th Space Warning
2529:11th Space Warning
2524:10th Space Warning
2466:19th Space Defense
2461:18th Space Defense
2410:Space Base Delta 3
2405:Space Base Delta 2
2400:Space Base Delta 1
1802:on March 19, 2014.
1746:GlobalSecurity.org
1664:Globalsecurity.org
1394:Pacific Air Forces
1155:Poa.usace.army.mil
1131:Poa.usace.army.mil
1002:"Clear "Utilador""
958:(Report). OSTI.gov
929:GlobalSecurity.org
905:70-centimeter band
748:
618:Phased array radar
488:" was assigned to
453:(A Route) and the
387:. The site became
373:
198:Space Base Delta 2
194:Controlled by
83:Space Base Delta 2
4118:
4117:
4114:
4113:
3574:
3556:
3543:Cheyenne Mountain
3376:
3375:
3372:
3371:
3266:
3265:
3237:
3236:
3149:
3148:
3117:
3116:
2992:
2991:
2988:
2987:
2842:
2841:
2819:Cheyenne Mountain
2735:Space Force Bases
2723:
2722:
2519:7th Space Warning
2514:6th Space Warning
2509:5th Space Warning
2499:2nd Space Warning
2179:
2178:
2112:Director of Staff
2012:Media related to
1881:. 10 August 2022.
1778:978-1-59884-006-3
1693:978-0-07-057913-2
868:in 1970 and 1973)
665:
664:
588:Bomb Alarm System
269:
268:
16:(Redirected from
4163:
4023:
3814:Space Operations
3647:
3646:
3572:
3554:
3443:
3413:
3403:
3396:
3389:
3380:
3379:
3277:
3276:
3248:
3247:
3160:
3159:
3137:
3136:
3125:
3044:
3043:
3019:
3012:
3005:
2996:
2995:
2975:460th Space Wing
2955:
2954:
2732:
2731:
2679:5th Space Launch
2674:2nd Space Launch
2669:25th Space Range
2589:645th Cyberspace
2199:
2198:
2187:
2186:
2142:
2141:
2124:General Officers
2054:
2047:
2040:
2031:
2030:
2011:
1995:
1994:
1992:
1991:
1981:
1975:
1974:
1972:
1971:
1965:
1959:. Archived from
1954:
1942:
1936:
1935:
1933:
1931:
1915:
1909:
1908:
1906:
1904:
1889:
1883:
1882:
1875:
1869:
1868:
1857:
1851:
1850:
1848:
1847:
1838:. Archived from
1828:
1822:
1821:
1820:. 7 August 2013.
1810:
1804:
1803:
1792:
1786:
1785:
1762:
1756:
1755:
1753:
1752:
1738:
1732:
1731:
1729:
1727:
1718:
1710:
1704:
1703:
1701:
1700:
1685:
1674:
1668:
1667:
1655:
1646:
1645:
1611:
1605:
1604:
1602:
1600:
1586:
1580:
1579:
1577:
1575:
1569:
1563:. Archived from
1558:
1550:
1544:
1541:
1535:
1534:
1532:
1530:
1516:
1510:
1509:
1507:
1505:
1496:
1488:
1479:
1478:
1467:
1458:
1457:
1455:
1454:
1444:
1436:
1430:
1429:
1427:
1425:
1411:
1405:
1404:
1402:
1400:
1385:
1379:
1378:
1373:
1372:
1366:
1359:
1350:
1344:
1335:
1326:
1325:
1319:
1318:
1303:
1294:
1288:
1287:
1285:
1284:
1275:. Archived from
1264:
1258:
1257:
1255:
1254:
1248:
1242:. Archived from
1241:
1233:
1227:
1226:
1216:
1215:
1209:
1202:
1194:
1188:
1187:
1185:
1184:
1172:
1166:
1165:
1163:
1161:
1152:
1144:
1133:
1124:
1118:
1117:
1115:
1114:
1104:
1096:
1087:
1086:
1084:
1083:
1077:
1070:
1057:
1048:
1047:
1045:
1044:
1038:
1031:
1023:
1017:
1016:
1014:
1012:
998:
992:
991:
989:
987:
973:
967:
966:
964:
963:
957:
949:
940:
939:
937:
936:
921:
658:
657:
646:
645:
634:
633:
622:
621:
580:upper atmosphere
237:
235:
169:Site information
156:
155:
153:
152:
151:
146:
142:
139:
138:
137:
134:
105:
104:
98:
79:
67:
58:
37:
36:
21:
4171:
4170:
4166:
4165:
4164:
4162:
4161:
4160:
4121:
4120:
4119:
4110:
4021:
4016:
3924:
3809:
3765:
3707:
3638:
3624:Air Base groups
3619:
3578:
3516:
3470:
3444:
3435:
3417:
3407:
3377:
3368:
3358:
3341:
3319:
3298:
3262:
3233:
3215:
3197:
3181:
3145:
3126:
3113:
3094:
3068:
3033:
3023:
2993:
2984:
2970:50th Space Wing
2965:21st Space Wing
2953:
2911:
2905:
2848:
2838:
2792:
2771:
2719:
2693:
2585:69th Cyberspace
2580:68th Cyberspace
2575:65th Cyberspace
2570:64th Cyberspace
2566:63rd Cyberspace
2563:62nd Cyberspace
2414:
2285:
2249:
2188:
2184:
2175:
2140:
2063:
2058:
2004:
1999:
1998:
1989:
1987:
1983:
1982:
1978:
1969:
1967:
1963:
1952:
1943:
1939:
1929:
1927:
1916:
1912:
1902:
1900:
1891:
1890:
1886:
1877:
1876:
1872:
1859:
1858:
1854:
1845:
1843:
1830:
1829:
1825:
1812:
1811:
1807:
1794:
1793:
1789:
1779:
1771:. p. 153.
1763:
1759:
1750:
1748:
1742:"Clear AFS, AK"
1740:
1739:
1735:
1725:
1723:
1716:
1712:
1711:
1707:
1698:
1696:
1694:
1683:
1675:
1671:
1656:
1649:
1634:
1612:
1608:
1598:
1596:
1588:
1587:
1583:
1573:
1571:
1567:
1556:
1552:
1551:
1547:
1542:
1538:
1528:
1526:
1524:News.google.com
1518:
1517:
1513:
1503:
1501:
1494:
1490:
1489:
1482:
1469:
1468:
1461:
1452:
1450:
1442:
1438:
1437:
1433:
1423:
1421:
1419:News.google.com
1413:
1412:
1408:
1398:
1396:
1386:
1382:
1370:
1368:
1364:
1357:
1351:
1347:
1336:
1329:
1316:
1314:
1312:
1301:
1299:Air Force Bases
1295:
1291:
1282:
1280:
1265:
1261:
1252:
1250:
1246:
1239:
1235:
1234:
1230:
1213:
1211:
1207:
1200:
1196:
1195:
1191:
1182:
1180:
1173:
1169:
1159:
1157:
1150:
1146:
1145:
1136:
1125:
1121:
1112:
1110:
1109:. June 18, 1961
1102:
1098:
1097:
1090:
1081:
1079:
1075:
1068:
1058:
1051:
1042:
1040:
1036:
1029:
1025:
1024:
1020:
1010:
1008:
1000:
999:
995:
985:
983:
975:
974:
970:
961:
959:
955:
951:
950:
943:
934:
932:
923:
922:
918:
913:
899:specifies that
893:
818:
786:
759:
740:
655:
643:
631:
625:External images
620:
584:Aurora Borealis
537:
430:
406:Alaska Railroad
377:Alaska Railroad
358:
312:RAF Fylingdales
262:
233:
231:
149:
147:
143:
140:
135:
132:
130:
128:
127:
119:
118:
117:
116:
113:
112:
111:
110:
106:
85:
70:
45:
35:
28:
23:
22:
15:
12:
11:
5:
4169:
4159:
4158:
4153:
4148:
4143:
4138:
4133:
4116:
4115:
4112:
4111:
4109:
4108:
4103:
4100:
4097:
4094:
4087:
4082:
4077:
4072:
4067:
4064:
4061:
4058:
4053:
4046:
4041:
4034:
4026:
4024:
4018:
4017:
4015:
4014:
4007:
4000:
3993:
3988:
3981:
3974:
3969:
3964:
3957:
3950:
3945:
3940:
3932:
3930:
3926:
3925:
3923:
3922:
3915:
3908:
3901:
3894:
3887:
3880:
3875:
3868:
3863:
3858:
3851:
3846:
3839:
3832:
3825:
3817:
3815:
3811:
3810:
3808:
3807:
3800:
3793:
3788:
3781:
3773:
3771:
3767:
3766:
3764:
3763:
3756:
3749:
3742:
3735:
3728:
3721:
3715:
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3709:
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3693:
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3644:
3640:
3639:
3637:
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3627:
3625:
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3607:
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3597:
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3586:
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3579:
3577:
3576:
3568:
3563:
3558:
3550:
3545:
3540:
3535:
3530:
3528:Cape Canaveral
3524:
3522:
3518:
3517:
3515:
3514:
3509:
3504:
3499:
3494:
3489:
3484:
3478:
3476:
3472:
3471:
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3468:
3463:
3458:
3452:
3450:
3446:
3445:
3438:
3436:
3434:
3433:
3427:
3425:
3419:
3418:
3406:
3405:
3398:
3391:
3383:
3374:
3373:
3370:
3369:
3366:
3364:
3363:Support Center
3360:
3359:
3357:
3356:
3353:
3349:
3347:
3343:
3342:
3340:
3339:
3336:
3331:
3327:
3325:
3321:
3320:
3318:
3317:
3312:
3306:
3304:
3300:
3299:
3297:
3296:
3291:
3285:
3283:
3274:
3268:
3267:
3264:
3263:
3261:
3260:
3254:
3252:
3245:
3239:
3238:
3235:
3234:
3232:
3231:
3225:
3223:
3217:
3216:
3214:
3213:
3207:
3205:
3199:
3198:
3196:
3195:
3189:
3187:
3183:
3182:
3180:
3179:
3174:
3168:
3166:
3164:Air Force Base
3157:
3151:
3150:
3147:
3146:
3143:
3141:
3134:
3128:
3127:
3120:
3118:
3115:
3114:
3112:
3111:
3108:
3104:
3102:
3096:
3095:
3093:
3092:
3087:
3082:
3076:
3074:
3070:
3069:
3067:
3066:
3061:
3056:
3050:
3048:
3041:
3035:
3034:
3022:
3021:
3014:
3007:
2999:
2990:
2989:
2986:
2985:
2983:
2982:
2977:
2972:
2967:
2961:
2959:
2952:
2951:
2946:
2941:
2939:"Semper Supra"
2936:
2931:
2926:
2921:
2915:
2913:
2907:
2906:
2904:
2903:
2898:
2897:
2896:
2891:
2886:
2881:
2873:
2868:
2863:
2858:
2852:
2850:
2844:
2843:
2840:
2839:
2837:
2836:
2831:
2826:
2821:
2816:
2811:
2806:
2804:Cape Canaveral
2800:
2798:
2794:
2793:
2791:
2790:
2779:
2777:
2773:
2772:
2770:
2769:
2764:
2759:
2754:
2749:
2744:
2738:
2736:
2729:
2725:
2724:
2721:
2720:
2718:
2717:
2712:
2707:
2701:
2699:
2695:
2694:
2692:
2691:
2686:
2681:
2676:
2671:
2666:
2661:
2656:
2651:
2646:
2641:
2636:
2631:
2626:
2621:
2616:
2613:
2608:
2605:
2600:
2595:
2590:
2587:
2582:
2577:
2572:
2567:
2564:
2561:
2556:
2551:
2546:
2541:
2536:
2531:
2526:
2521:
2516:
2511:
2506:
2501:
2496:
2493:
2488:
2483:
2478:
2473:
2468:
2463:
2458:
2453:
2448:
2446:533rd Training
2443:
2438:
2433:
2428:
2422:
2420:
2416:
2415:
2413:
2412:
2407:
2402:
2397:
2392:
2387:
2382:
2380:Space Delta 26
2377:
2375:Space Delta 23
2372:
2371:Space Delta 21
2369:
2367:Space Delta 18
2364:
2362:Space Delta 15
2359:
2357:Space Delta 13
2354:
2352:Space Delta 12
2349:
2347:Space Delta 11
2344:
2342:Space Delta 10
2339:
2334:
2329:
2324:
2319:
2314:
2309:
2304:
2299:
2293:
2291:
2287:
2286:
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2278:
2273:
2268:
2263:
2257:
2255:
2251:
2250:
2248:
2247:
2246:
2245:
2235:
2234:
2233:
2223:
2222:
2221:
2211:
2205:
2203:
2202:Field commands
2196:
2190:
2189:
2182:
2180:
2177:
2176:
2174:
2173:
2172:
2171:
2161:
2160:
2159:
2148:
2146:
2139:
2138:
2137:
2136:
2131:
2121:
2120:
2119:
2114:
2109:
2104:
2099:
2089:
2088:
2087:
2082:
2071:
2069:
2065:
2064:
2057:
2056:
2049:
2042:
2034:
2028:
2027:
2017:
2003:
2002:External links
2000:
1997:
1996:
1976:
1937:
1910:
1884:
1870:
1852:
1836:Raytheon.co.uk
1823:
1805:
1787:
1777:
1757:
1733:
1705:
1692:
1680:Radar Handbook
1669:
1647:
1632:
1606:
1581:
1545:
1536:
1511:
1499:Nikesummit.net
1480:
1475:Vectorsite.net
1459:
1449:. July 8, 1966
1447:Herald-Journal
1431:
1406:
1380:
1345:
1327:
1310:
1289:
1259:
1228:
1189:
1167:
1134:
1119:
1088:
1049:
1018:
1006:Lcweb2.loc.gov
993:
968:
941:
915:
914:
912:
909:
892:
889:
888:
887:
881:
875:
869:
858:
847:
840:15th Air Force
836:
829:1st Space Wing
825:
817:
814:
813:
812:
811:
810:
809:
808:
785:
782:
781:
780:
779:
778:
758:
755:
739:
736:
663:
662:
651:
650:
639:
638:
627:
626:
619:
616:
582:to see if the
536:
533:
429:
426:
357:
354:
267:
266:
257:
253:
252:
248:
247:
246:1949 – present
244:
240:
239:
228:
224:
223:
219:
218:
213:
209:
208:
205:
201:
200:
195:
191:
190:
185:
181:
180:
175:
171:
170:
166:
165:
162:
158:
157:
125:
121:
120:
114:
108:
107:
100:
99:
93:
92:
91:
90:
87:
86:
80:
72:
71:
68:
60:
59:
42:
41:
26:
9:
6:
4:
3:
2:
4168:
4157:
4154:
4152:
4149:
4147:
4144:
4142:
4139:
4137:
4134:
4132:
4129:
4128:
4126:
4107:
4104:
4101:
4098:
4095:
4093:
4092:
4088:
4086:
4083:
4081:
4078:
4076:
4073:
4071:
4068:
4065:
4062:
4059:
4057:
4054:
4052:
4051:
4047:
4045:
4042:
4040:
4039:
4035:
4033:
4032:
4028:
4027:
4025:
4019:
4013:
4012:
4008:
4006:
4005:
4001:
3999:
3998:
3994:
3992:
3989:
3987:
3986:
3982:
3980:
3979:
3975:
3973:
3970:
3968:
3965:
3963:
3962:
3958:
3956:
3955:
3951:
3949:
3946:
3944:
3941:
3939:
3938:
3934:
3933:
3931:
3929:Space Warning
3927:
3921:
3920:
3916:
3914:
3913:
3909:
3907:
3906:
3902:
3900:
3899:
3895:
3893:
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3885:
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3879:
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3867:
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3840:
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3837:
3833:
3831:
3830:
3826:
3824:
3823:
3819:
3818:
3816:
3812:
3806:
3805:
3801:
3799:
3798:
3794:
3792:
3789:
3787:
3786:
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3780:
3779:
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3772:
3768:
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3757:
3755:
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3740:
3736:
3734:
3733:
3729:
3727:
3726:
3722:
3720:
3717:
3716:
3714:
3712:Space Control
3710:
3704:
3701:
3699:
3698:
3694:
3692:
3691:
3687:
3685:
3684:
3680:
3678:
3675:
3673:
3670:
3668:
3665:
3663:
3660:
3658:
3655:
3654:
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2436:328th Weapons
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2337:Space Delta 9
2335:
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2332:Space Delta 8
2330:
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2327:Space Delta 7
2325:
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2322:Space Delta 6
2320:
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2317:Space Delta 5
2315:
2313:
2312:Space Delta 4
2310:
2308:
2307:Space Delta 3
2305:
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2302:Space Delta 2
2300:
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2021:
2018:
2015:
2010:
2006:
2005:
1986:
1980:
1966:on 2016-02-13
1962:
1958:
1951:
1950:
1941:
1925:
1921:
1914:
1898:
1894:
1888:
1880:
1874:
1866:
1862:
1856:
1842:on 2014-03-11
1841:
1837:
1833:
1832:"Fylingdales"
1827:
1819:
1815:
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1633:0-7803-2791-8
1629:
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1334:
1332:
1324:
1313:
1311:0-912799-53-6
1307:
1300:
1293:
1279:on 2009-01-14
1278:
1274:
1270:
1263:
1249:on 2012-10-12
1245:
1238:
1232:
1225:
1222:
1206:
1199:
1193:
1178:
1171:
1156:
1149:
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1128:
1123:
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1101:
1095:
1093:
1074:
1067:
1065:
1056:
1054:
1039:on 2012-09-27
1035:
1028:
1022:
1007:
1003:
997:
982:
978:
972:
954:
948:
946:
930:
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916:
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902:
901:amateur radio
898:
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776:
773:
772:
771:
770:Space Delta 4
768:
767:
766:
765:
764:
754:
751:
744:
735:
733:
729:
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724:
720:
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623:
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596:Shemya Island
593:
589:
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581:
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573:
567:
564:
560:
556:
551:
549:
546:In 1964, the
544:
542:
532:
530:
526:
523:
518:
514:
510:
506:
501:
499:
495:
491:
490:Hanscom Field
487:
483:
478:
476:
472:
471:radar control
467:
462:
460:
456:
452:
448:
444:
439:
434:
425:
423:
422:power station
419:
415:
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407:
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397:
391:
390:
386:
382:
378:
370:
366:
362:
353:
351:
347:
343:
338:
337:(CC&DF).
336:
332:
328:
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321:
317:
313:
309:
305:
301:
297:
293:
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281:
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126:
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97:
88:
84:
78:
73:
66:
61:
57:
56:United States
53:
49:
43:
38:
33:
19:
4089:
4048:
4036:
4029:
4009:
4002:
3995:
3983:
3976:
3959:
3952:
3935:
3917:
3910:
3903:
3896:
3889:
3882:
3870:
3853:
3841:
3834:
3827:
3820:
3802:
3795:
3790:
3783:
3776:
3770:Space Launch
3758:
3751:
3744:
3737:
3730:
3723:
3703:721st Mobile
3695:
3688:
3681:
3547:
3107:Camp Carroll
2849:and training
2823:
1988:. Retrieved
1979:
1968:. Retrieved
1961:the original
1948:
1944:compiled by
1940:
1928:. Retrieved
1923:
1913:
1901:. Retrieved
1896:
1887:
1873:
1864:
1855:
1844:. Retrieved
1840:the original
1835:
1826:
1817:
1808:
1800:the original
1790:
1782:
1767:
1760:
1749:. Retrieved
1745:
1736:
1724:. Retrieved
1720:
1708:
1697:. Retrieved
1679:
1672:
1663:
1658:Pike, John.
1615:
1609:
1597:. Retrieved
1593:
1584:
1572:. Retrieved
1565:the original
1560:
1548:
1539:
1527:. Retrieved
1523:
1514:
1502:. Retrieved
1498:
1474:
1451:. Retrieved
1446:
1434:
1422:. Retrieved
1418:
1409:
1397:. Retrieved
1383:
1375:
1369:. Retrieved
1348:
1342:Northcom.mil
1341:
1321:
1315:. Retrieved
1292:
1281:. Retrieved
1277:the original
1272:
1262:
1251:. Retrieved
1244:the original
1231:
1218:
1212:. Retrieved
1192:
1181:. Retrieved
1170:
1158:. Retrieved
1154:
1130:
1122:
1111:. Retrieved
1106:
1080:. Retrieved
1063:
1041:. Retrieved
1034:the original
1021:
1009:. Retrieved
1005:
996:
984:. Retrieved
980:
971:
960:. Retrieved
933:. Retrieved
931:. 2005-04-27
928:
919:
894:
788:
787:
761:
760:
752:
749:
730:
727:
705:
700:
692:
666:
605:
568:
552:
545:
538:
522:Cavalier AFS
502:
481:
479:
463:
432:
431:
418:Tanana River
403:
392:
388:
374:
345:
339:
322:and later a
316:Thule Site J
271:
270:
222:Site history
54:in the
3677:55th Mobile
3583:Space wings
3561:Kaena Point
3487:Los Angeles
3281:Air Station
3272:Coast Guard
3243:Space Force
3110:Camp Denali
2910:History and
2829:Kaena Point
2776:Space Bases
2747:Los Angeles
2395:PNT IMD (P)
2092:Space Staff
1660:"Clear AFS"
1273:Bwcinet.com
1066:(1945-1953)
925:"Clear AFS"
738:Based units
715:BAE Systems
693:SSPARS Site
671:components
531:launches.)
461:CC&DF.
451:Murphy Dome
294:. Clear's
243:In use
207:Operational
148: /
136:149°11′13″W
124:Coordinates
4125:Categories
3566:New Boston
3512:Vandenberg
3423:Air Forces
3221:Joint Base
3064:Wainwright
3059:Richardson
2912:traditions
2856:Astronauts
2834:New Boston
2767:Vandenberg
2068:Leadership
1990:2023-04-26
1970:2012-03-26
1846:2014-03-08
1751:2014-03-05
1699:2014-04-14
1453:2014-03-09
1371:2014-03-08
1360:(Report).
1317:2013-08-15
1283:2014-03-19
1253:2014-04-15
1214:2014-04-14
1183:2014-03-09
1113:2014-03-09
1082:2014-03-09
1043:2008-11-04
962:2008-11-04
935:2009-11-04
911:References
797:168th Wing
721:(UEWR) by
677:AN/FPS-120
673:from Texas
529:Hudson Bay
486:Nenana, AK
385:Ladd Field
296:AN/FPS-123
216:AN/FPS-123
212:Radar type
133:64°17′26″N
81:Emblem of
3643:Squadrons
3553:Eldorado
3502:Schriever
3352:Anchorage
3334:Ketchikan
3310:Ketchikan
3193:Eareckson
3177:Elmendorf
3155:Air Force
3144:Ketchikan
3073:Air Field
2875:Training
2847:Personnel
2787:Greenland
2762:Schriever
2728:Locations
2419:Squadrons
2243:Commander
2231:Commander
2219:Commander
2194:Structure
2145:Oversight
1642:109329176
708:the ANG's
689:klystrons
669:PAVE PAWS
600:Beale AFB
578:into the
443:Ketchikan
416:over the
365:PAVE PAWS
304:Beale AFB
256:Occupants
204:Condition
109:Clear SFS
18:Clear AFS
3573:(closed)
3571:Onizuka
3555:(closed)
3538:Cavalier
3533:Cape Cod
3521:Stations
3497:Peterson
3025:Current
2901:Uniforms
2814:Cavalier
2809:Cape Cod
2783:Pituffik
2757:Peterson
2615:76th ISR
2611:75th ISR
2607:74th ISR
2603:73rd ISR
2598:72nd ISR
2593:71st ISR
2129:Generals
1930:2 August
1903:2 August
1721:Naic.edu
1362:Archived
1205:Archived
1073:Archived
1064:Part One
412:and the
371:coverage
331:Colorado
324:Cold War
184:Operator
48:Anderson
3492:Patrick
3482:Buckley
3449:Centers
3367:Cordova
3324:Station
3186:Station
3172:Eielson
2929:History
2879:Academy
2752:Patrick
2742:Buckley
2495:23rd EW
2491:16th EW
1726:23 July
1599:23 July
1574:23 July
1561:Dod.mil
1554:"ALERT"
1529:23 July
1504:23 July
1424:23 July
1323:(actvd)
1160:23 July
1011:23 July
986:23 July
895:The US
687:L-5773
517:SPADATS
513:Ent AFB
459:Ent AFB
356:History
232: (
4022:Others
3355:Juneau
3346:Sector
3338:Valdez
3330:Juneau
3315:Kodiak
3289:Kodiak
3085:Bryant
3054:Greely
3031:Alaska
2866:Badges
2486:5th EW
2481:4th EW
2290:Deltas
1775:
1690:
1640:
1630:
1399:12 May
1308:
883:1949:
877:1961:
860:1967:
849:1971:
838:1979:
827:1983:
821:2006:
685:Litton
559:radome
464:Three
410:Nenana
52:Alaska
4011:213th
4004:137th
3919:AFSPC
3912:148th
3905:111th
3760:380th
3683:119th
3615:460th
3610:310th
3548:Clear
3507:Thule
3475:Bases
3294:Sitka
3258:Clear
3211:Kulis
3140:Range
3080:Allen
2919:Delta
2871:Ranks
2824:Clear
1964:(PDF)
1953:(PDF)
1924:DVIDS
1717:(PDF)
1684:(PDF)
1638:S2CID
1568:(PDF)
1557:(PDF)
1495:(PDF)
1365:(PDF)
1358:(PDF)
1302:(PDF)
1247:(PDF)
1240:(PDF)
1208:(PDF)
1201:(PDF)
1151:(PDF)
1076:(PDF)
1069:(PDF)
1037:(PDF)
1030:(PDF)
956:(PDF)
807:(GSU)
777:(GSU)
480:The "
369:BMEWS
327:BMEWS
288:NORAD
280:ICBMs
274:is a
227:Built
174:Owner
46:Near
3997:13th
3991:12th
3985:11th
3978:10th
3884:21st
3878:19th
3753:76th
3746:25th
3739:20th
3732:16th
3697:222d
3690:153d
3631:61st
3605:50th
3600:45th
3595:30th
3590:21st
3303:Base
3132:Navy
3090:Ladd
3047:Fort
3039:Army
2934:Seal
2924:Flag
2689:NSSI
1932:2020
1905:2020
1773:ISBN
1728:2022
1688:ISBN
1628:ISBN
1601:2022
1576:2022
1531:2022
1506:2022
1426:2022
1401:2024
1306:ISBN
1219:The
1162:2022
1013:2022
988:2022
598:and
509:ECCM
375:The
367:and
346:PACL
342:ICAO
314:and
282:and
234:1949
230:1949
161:Type
3972:9th
3967:8th
3961:7th
3954:6th
3948:5th
3943:4th
3937:2nd
3898:23d
3891:22d
3872:9th
3866:8th
3861:7th
3855:6th
3849:5th
3843:4th
3836:3rd
3829:2nd
3822:1st
3804:5th
3797:4th
3785:2nd
3778:1st
3725:4th
3719:1st
3672:4th
3657:1st
3029:in
1620:doi
1221:RRS
703:.)
683:'s
608:ITT
494:IOC
449:to
401:).
396:cf.
333:'s
286:to
4127::
3667:3d
3662:2d
1922:.
1895:.
1863:.
1834:.
1816:.
1781:.
1744:.
1719:.
1662:.
1650:^
1636:.
1626:.
1592:.
1559:.
1522:.
1497:.
1483:^
1473:.
1462:^
1445:.
1417:.
1392:.
1374:.
1340:,
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