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888:-3-3A engines, burning liquid hydrogen and liquid oxygen. It featured propellant tanks 0.9 meters longer than its predecessor, Centaur I, giving the stage more propellant and therefore higher performance. Due to the super cold propellants inside Centaur, foam insulation was installed onto the outer metal skin on the stage to help mitigate propellant boiloff inside the tank. Centaur II's foam insulation was permanently attached to the side of the stage, whereas previous versions of the stage (including Centaur I) jettisoned their insulation panels during flight.
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823:. The two booster engines were the RS-56-OBA variants (the complete assembly of both engines and the aft skirt was referred to as the MA-5A), with high thrust but moderate efficiency. The sustainer (center) engine was the RS-56-OSA variant, featuring much less thrust but higher efficiency at high altitudes than the booster engines.
708:, geosynchronous transfer orbit or geosynchronous orbit. Sixty-three launches of the Atlas II, IIA and IIAS models were carried out between 1991 and 2004; all sixty-three launches were successes, making the Atlas II a highly reliable space launch system. The Atlas line was continued by the
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solid rocket boosters to increase performance. These boosters were ignited in pairs, with one pair igniting on the ground, and the second igniting in the air shortly after the first pair separated. The "half-stage booster section would then drop off as usual. IIAS was used between 1993 and 2004,
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The Medium variant was not commonly used for Atlas II but was often used in earlier Atlas rockets. The Large and
Extended fairing options were also later used on the Atlas III and Atlas V rockets. For the Atlas V, these fairings were part of the 400-series of that rocket, and a further extended
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by using engines with greater thrust and longer propellant tanks for both stages. The increased thrust, engine efficiency, and propellant capacity enabled the vehicle to lift payloads of 6,100 pounds (2,767 kg) into geostationary transfer orbit (GTO), or more on later Atlas II variants.
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engines and could operate on-orbit for up to twelve days before deploying its payload, allowing additional flexibility in mission planning. The IABS measured 2.9 m in diameter, and 0.68 m in length, carrying 1303 kg of propellant with a dry mass of 275 kg.
895:. The two stainless steel propellant tanks were separated by a common bulkhead, which helped keep mass down. Centaur II was 10.1 m (33 ft) long, carrying almost 17 t (37,000 lb) of fuel. The stage also featured 12 27 N (6.1 lbf)
1101:. Its lengthened propellant tanks and improved electronics over the Atlas I offered better performance. It was designed to work as part of the US Air Force's Medium Launch Vehicle II program. This version flew between 1991 and 1998.
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Atlas II rockets flying with a Medium fairing could move the most payload to orbit, as that fairing was the lightest. Similarly, rockets with Large or
Extended fairings suffered slight hits to their payload capacity.
870:) of thrust for 56 seconds. The first two boosters were ignited at liftoff, and the other two were ignited after the first two burnt out. Both pairs of boosters were jettisoned shortly after their respective burns.
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payloads under the Medium Launch
Vehicle II (MLV-II) program. Additional commercial and U.S. Government sales resulted in production increases leading to greater than 60 vehicles being produced and launched.
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This
Template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future
906:-4 engines, providing higher thrust and efficiency over the RL-10A-3-3A. The two engines could be fitted with extendable nozzles, which would provide an increase in efficiency and therefore performance.
859:. The central sustainer engine on the first stage, an RS-56-OSA, would burn for an additional 125 seconds after their jettison. It featured better efficiency at high altitudes than the RS-56-OBAs.
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917:. Atlas II was the final Atlas rocket that only had a dual-engine Centaur available, future rockets had the option for one or two RL-10 engines on Centaur. However, the Centaur V flying on the
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Workers at Cape
Canaveral Air Force Station prepare to erect the first stage of an Atlas IIA rocket in the launch gantry on Pad 36A ahead of the GOES-L launch. Visible are the
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834:-fueled roll control system on Atlas II. This system, mounted on the interstage between the first and second stages, utilized small thrusters to control the vehicle's roll. Compared to
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engines at liftoff and then jettisoned the 2 RS-56-OBA side engines and their support structure during ascent. The two RS-56-OBA engines were integrated into a single unit called the
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The second stage of Atlas II, the
Centaur II, was the result of over 3 decades of flights and enhancements of the Centaur upper stage. Centaur II featured 2
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A-4 engine on the
Centaur upper stage, increasing the stage's performance and the vehicle's payload capability. The IIA version flew between 1992 and 2002.
704:, featuring longer first-stage tanks, higher-performing engines, and the option for strap-on solid rocket boosters. It was designed to launch payloads into
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Symbol indicates past or current rockets that attempted orbital launches but never succeeded (never did or has yet to perform a successful orbital launch)
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1152:: Rocketdyne (first stage engines), Pratt & Whitney (second stage engines), Honeywell & Teledyne (avionics), and Thiokol (solid rocket boosters)
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Atlas IIA was a derivative of the Atlas II designed to service the commercial launch market. The main improvement was the switch from the
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The Atlas II first stage was 3.05 m (10.0 ft) in diameter and 24.90 m (81.7 ft) long. The stage was powered by 3
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1048:, with a diameter of 3.3 m (11 ft), a height of 10.4 m (34 ft), and a mass of 1,409 kg (3,106 lb)
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Atlas II also featured lower-cost electronics, an improved flight computer, and longer propellant tanks than its predecessor,
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853:. They burned for approximately 164 seconds before being jettisoned, when acceleration reached approximately 5.0–5.5
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solid rocket boosters as part of the IIAS version, each providing an additional 478.3 kN (107,500 lb
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The first stage of an Atlas IIA rocket is erected vertical at Cape Canaveral Pad 36A.
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1146:: Lockheed Martin (airframe, assembly, avionics, test and systems integration)
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Centaur IIA for the TDRS-I mission is inspected in Hangar J at Cape Canaveral.
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Atlas launch vehicle evolution, including the unflown Atlas V HLV (far right)
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1216:: Up to 156 ft (47.54 m); 16 ft (4.87 m) high engine cluster
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1567:. Space Launch Report. Archived from the original on August 13, 2016
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Centaur IIA, to be used to launch TDRS-I, is lifted for integration.
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Animation of the Atlas-IIAS launch and Terra satellite deployment
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1382:"General Dynamics will build a half-billion-dollar rocket fleet"
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Centaur IIA arrives at Launch Complex 36A for the launch of
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The first stage also had the option to be fitted with 4
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1342:"Final Atlas 2 Rocket Orbits Classified U.S. Satellite"
732:) to develop the Atlas II vehicle, primarily to launch
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Three fairing models were available for the Atlas II:
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Atlas II provided higher performance than the earlier
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Designation believed to be this type but unconfirmed
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A close-up view of the RL-10 engines of Centaur IIA.
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744:and featured numerous upgrades over that vehicle.
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5340:* - Japanese projects using US rockets or stages
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952:Centaur IIA before mating with Atlas II booster.
815:rocket) burning 156 t (344,000 lb) of
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1482:"Atlas Launch System Payload Planner's Guide"
1348:August 31, 2004 (Accessed September 24, 2014)
763:in California. All launches were successful.
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1085:Atlas II was developed into three versions.
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1412:"Atlas-2 rocket launched on maiden launch"
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1272:Comparison of orbital launchers families
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1024:) on board the Atlas II and, later, the
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2544:space vehicle designations (since 1962)
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1093:The original Atlas II was based on the
1006:Defense Satellite Communications System
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734:Defense Satellite Communications System
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712:, used between 2000 and 2005, and the
5377:Lockheed Martin space launch vehicles
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1410:Harwood, William (December 7, 1991).
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2831:Comparison of orbital launch systems
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921:will only utilize two RL-10 engines.
724:In May 1988, the US Air Force chose
716:, which is still in use as of 2024.
696:, which evolved from the successful
1228:: 414,000 lb (204,300 kg)
13:
1514:"Atlas Roll Control Module (ARCM)"
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1210:: 494,500 lbf (2,200 kN)
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913:and continues to fly today on the
753:Cape Canaveral Space Force Station
14:
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1487:. Lockheed Martin. Archived from
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807:rocket engines (derived from the
91:204,300 kg (450,400 lb)
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740:Atlas II was developed from the
495:1,734.8 kN (390,000 lb
423:2,093.3 kN (470,600 lb
142:: 8,610 kg (18,980 lb)
136:: 7,280 kg (16,050 lb)
130:: 6,580 kg (14,510 lb)
4659:Super heavy-lift launch vehicle
1707:
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179:: 3,630 kg (8,000 lb)
173:: 3,039 kg (6,700 lb)
167:: 2,810 kg (6,190 lb)
4720:developed in the United States
2826:List of orbital launch systems
1531:
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509:237.8 s (2.332 km/s)
1:
2434:International Launch Services
1717:(accessed September 24, 2014)
1635:. Astronautix. Archived from
1606:. Astronautix. Archived from
1318:. Astronautix. Archived from
1292:
1234:: 3 (Medium, Large, Extended)
1116:
1000:Integrated Apogee Boost Stage
994:Integrated Apogee Boost Stage
719:
483:433.7 kN (97,500 lb
464:Boosters (Atlas IIAS only) –
5352:- used Ukrainian first stage
4904:Antares 110/120/130/230/230+
1104:
1022:geostationary transfer orbit
75:47.54 m (156.0 ft)
33:Launch of an Atlas II rocket
7:
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761:Vandenberg Space Force Base
747:Atlas II was launched from
635:312 s (3.06 km/s)
569:449 s (4.40 km/s)
555:147 kN (33,000 lb
437:299 s (2.93 km/s)
365:316 s (3.10 km/s)
351:386 kN (87,000 lb
10:
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4649:Medium-lift launch vehicle
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83:3.04 m (10.0 ft)
43:Medium-lift launch vehicle
5343:** - uses Russian engines
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4654:Heavy-lift launch vehicle
4644:Small-lift launch vehicle
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1585:: CS1 maint: unfit URL (
1565:"Atlas IIA(S) Data Sheet"
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5349:- no new orders accepted
1726:USAF Atlas II Fact Sheet
1150:Principal subcontractors
1028:. It was powered by two
311:Type of passengers/cargo
1126:concurrently with IIA.
757:Space Launch Complex 3E
621:980 N (220 lb
2815:Orbital launch systems
2771:Unofficial designation
2439:United Launch Alliance
1139:
1082:
880:Centaur (rocket stage)
874:Centaur II upper stage
800:
755:in Florida as well as
5372:Atlas (rocket family)
1370:on December 28, 2016.
1287:Atlas (rocket family)
1137:
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893:cryogenic propellants
794:
1703:. November 10, 2022.
1543:www.capcomespace.net
1539:"Le lanceur Atlas 2"
1437:"Atlas II Factsheet"
1226:Gross liftoff weight
1018:Inertial Upper Stage
925:Centaur 2A pictures:
849:and shared a common
787:Atlas II first stage
688:was a member of the
2402:Pratt & Whitney
2190:Common Core Booster
1322:on October 15, 2002
1240:: II, IIA, and IIAS
1178:-OBA each (2 total)
1010:geostationary orbit
811:main engine of the
23:
5132:v1.2 "Full Thrust"
3821:v1.2 "Full Thrust"
1360:"Castor 4A engine"
1222:: 10 feet (3.04 m)
1184:(Atlas IIAS): 1 ×
1144:Primary contractor
1140:
1083:
801:
191:Associated rockets
21:
5359:
5358:
5346:- never succeeded
4681:
4680:
2781:
2780:
2504:
2503:
2447:
2446:
2420:
2419:
2335:
2334:
2145:
2144:
2112:Francis E. Warren
2002:
2001:
1998:
1997:
1713:Spaceflight Now,
1639:on March 19, 2002
1494:on April 21, 2015
749:Launch Complex 36
683:
682:
285:December 16, 1993
59:Country of origin
5384:
4744:Falcon 9 Block 5
4708:
4701:
4694:
4685:
4684:
4530:Universal Rocket
2901:Falcon 9 Block 5
2808:
2801:
2794:
2785:
2784:
2727:
2572:SLV-4 (Titan II)
2531:
2524:
2517:
2508:
2507:
2366:General Dynamics
2351:
2350:
2344:
2343:
2154:
2153:
2011:
2010:
1877:
1876:
1813:
1812:
1803:
1767:
1760:
1753:
1744:
1743:
1718:
1711:
1705:
1704:
1697:
1691:
1690:
1683:
1677:
1676:
1669:
1663:
1662:
1655:
1649:
1648:
1646:
1644:
1629:
1620:
1619:
1617:
1615:
1600:
1591:
1590:
1584:
1576:
1574:
1572:
1561:
1555:
1554:
1552:
1550:
1535:
1529:
1528:
1526:
1524:
1518:
1510:
1504:
1503:
1501:
1499:
1493:
1486:
1478:
1457:
1456:
1454:
1452:
1443:. Archived from
1433:
1427:
1426:
1424:
1422:
1407:
1398:
1397:
1395:
1393:
1378:
1372:
1371:
1366:. Archived from
1355:
1349:
1338:
1332:
1331:
1329:
1327:
1312:
1099:its predecessors
985:
973:
961:
949:
933:
726:General Dynamics
676:edit on Wikidata
631:Specific impulse
565:Specific impulse
505:Specific impulse
433:Specific impulse
361:Specific impulse
301:December 5, 2002
275:December 7, 1991
31:
24:
20:
5392:
5391:
5387:
5386:
5385:
5383:
5382:
5381:
5362:
5361:
5360:
5355:
5332:
4892:
4819:
4721:
4712:
4682:
4677:
4663:
4639:Sounding rocket
4627:
3477:
3251:
2835:
2817:
2812:
2782:
2777:
2760:
2725:
2647:
2581:
2545:
2535:
2505:
2500:
2443:
2416:
2380:
2376:Lockheed Martin
2371:Martin Marietta
2331:
2270:
2194:
2178:
2141:
2080:
2052:
1994:
1968:
1937:
1911:
1868:
1842:
1804:
1795:
1774:
1771:
1734:
1722:
1721:
1712:
1708:
1699:
1698:
1694:
1685:
1684:
1680:
1671:
1670:
1666:
1657:
1656:
1652:
1642:
1640:
1631:
1630:
1623:
1613:
1611:
1602:
1601:
1594:
1578:
1577:
1570:
1568:
1563:
1562:
1558:
1548:
1546:
1537:
1536:
1532:
1522:
1520:
1516:
1512:
1511:
1507:
1497:
1495:
1491:
1484:
1480:
1479:
1460:
1450:
1448:
1435:
1434:
1430:
1420:
1418:
1408:
1401:
1391:
1389:
1380:
1379:
1375:
1364:astronautix.com
1356:
1352:
1339:
1335:
1325:
1323:
1314:
1313:
1300:
1295:
1268:
1232:Fairing options
1132:
1119:
1107:
1091:
1075:
1039:
1037:Payload fairing
1002:
996:
989:
986:
977:
974:
965:
962:
953:
950:
941:
934:
882:
876:
869:
828:vernier engines
799:rocket engines.
789:
769:
730:Lockheed Martin
722:
706:low Earth orbit
694:launch vehicles
679:
659:
655:
624:
589:
558:
532:Second stage –
498:
486:
426:
354:
318:
306:August 31, 2004
302:
297:
281:
276:
229:
182:
145:
53:Lockheed Martin
34:
17:
16:American rocket
12:
11:
5:
5390:
5380:
5379:
5374:
5357:
5356:
5354:
5353:
5350:
5347:
5344:
5341:
5337:
5334:
5333:
5331:
5330:
5325:
5324:
5323:
5318:
5313:
5308:
5303:
5298:
5293:
5288:
5283:
5278:
5268:
5263:
5262:
5261:
5256:
5251:
5246:
5241:
5236:
5226:
5221:
5216:
5211:
5206:
5201:
5200:
5199:
5194:
5189:
5179:
5174:
5169:
5163:
5157:
5152:
5147:
5142:
5136:
5135:
5134:
5129:
5124:
5114:
5109:
5108:
5107:
5102:
5097:
5092:
5087:
5082:
5077:
5072:
5067:
5062:
5057:
5052:
5047:
5042:
5037:
5032:
5027:
5022:
5017:
5012:
5002:
4997:
4996:
4995:
4990:
4985:
4980:
4975:
4970:
4964:
4959:
4954:
4949:
4944:
4939:
4934:
4924:
4923:
4922:
4917:
4907:
4900:
4898:
4894:
4893:
4891:
4890:
4885:
4880:
4879:
4878:
4873:
4863:
4858:
4853:
4848:
4843:
4838:
4833:
4827:
4825:
4824:In development
4821:
4820:
4818:
4817:
4815:Vulcan Centaur
4812:
4811:
4810:
4800:
4795:
4794:
4793:
4783:
4782:
4781:
4776:
4771:
4766:
4756:
4751:
4746:
4741:
4736:
4729:
4727:
4723:
4722:
4718:launch systems
4711:
4710:
4703:
4696:
4688:
4679:
4678:
4676:
4675:
4672:
4668:
4665:
4664:
4662:
4661:
4656:
4651:
4646:
4641:
4635:
4633:
4629:
4628:
4626:
4625:
4624:
4623:
4613:
4612:
4611:
4606:
4601:
4596:
4591:
4586:
4576:
4571:
4570:
4569:
4559:
4554:
4553:
4552:
4547:
4542:
4537:
4527:
4526:
4525:
4520:
4515:
4510:
4500:
4499:
4498:
4493:
4488:
4483:
4478:
4473:
4468:
4463:
4458:
4453:
4443:
4442:
4441:
4436:
4426:
4425:
4424:
4419:
4414:
4413:
4412:
4407:
4397:
4396:
4395:
4390:
4385:
4375:
4374:
4373:
4368:
4358:
4348:
4343:
4338:
4333:
4328:
4323:
4318:
4313:
4312:
4311:
4306:
4296:
4295:
4294:
4289:
4284:
4279:
4274:
4269:
4264:
4259:
4254:
4249:
4244:
4239:
4234:
4229:
4224:
4219:
4209:
4208:
4207:
4202:
4197:
4187:
4186:
4185:
4180:
4175:
4165:
4160:
4159:
4158:
4153:
4143:
4142:
4141:
4140:
4139:
4134:
4129:
4124:
4114:
4109:
4104:
4099:
4098:
4097:
4092:
4087:
4082:
4077:
4072:
4062:
4057:
4056:
4055:
4050:
4040:
4030:
4025:
4020:
4015:
4010:
4005:
4000:
3999:
3998:
3993:
3988:
3983:
3978:
3973:
3963:
3962:
3961:
3956:
3951:
3946:
3941:
3936:
3931:
3921:
3916:
3915:
3914:
3904:
3903:
3902:
3897:
3892:
3887:
3882:
3872:
3867:
3862:
3857:
3852:
3847:
3842:
3841:
3840:
3830:
3825:
3824:
3823:
3818:
3813:
3803:
3798:
3797:
3796:
3791:
3781:
3776:
3771:
3766:
3761:
3760:
3759:
3754:
3749:
3744:
3739:
3734:
3729:
3724:
3719:
3714:
3709:
3704:
3699:
3694:
3689:
3684:
3679:
3674:
3669:
3664:
3654:
3649:
3644:
3643:
3642:
3637:
3632:
3627:
3622:
3617:
3612:
3607:
3602:
3597:
3592:
3587:
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3572:
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3570:
3565:
3555:
3550:
3549:
3548:
3543:
3538:
3533:
3528:
3518:
3517:
3516:
3511:
3506:
3501:
3496:
3485:
3483:
3479:
3478:
3476:
3475:
3470:
3469:
3468:
3458:
3453:
3448:
3443:
3438:
3433:
3428:
3427:
3426:
3421:
3411:
3406:
3401:
3396:
3395:
3394:
3389:
3379:
3374:
3369:
3364:
3359:
3354:
3349:
3344:
3343:
3342:
3337:
3332:
3322:
3321:
3320:
3315:
3305:
3300:
3295:
3290:
3285:
3280:
3275:
3270:
3265:
3259:
3257:
3256:In development
3253:
3252:
3250:
3249:
3248:
3247:
3237:
3235:Vulcan Centaur
3232:
3231:
3230:
3220:
3215:
3210:
3205:
3200:
3199:
3198:
3193:
3188:
3178:
3177:
3176:
3166:
3161:
3156:
3151:
3146:
3141:
3136:
3131:
3126:
3121:
3116:
3115:
3114:
3109:
3104:
3099:
3089:
3084:
3083:
3082:
3077:
3072:
3067:
3062:
3057:
3052:
3047:
3042:
3037:
3032:
3027:
3022:
3017:
3012:
3007:
3002:
2992:
2991:
2990:
2985:
2980:
2970:
2965:
2960:
2955:
2954:
2953:
2948:
2938:
2933:
2928:
2923:
2918:
2913:
2908:
2903:
2898:
2893:
2888:
2887:
2886:
2881:
2871:
2866:
2861:
2860:
2859:
2854:
2843:
2841:
2837:
2836:
2834:
2833:
2828:
2822:
2819:
2818:
2811:
2810:
2803:
2796:
2788:
2779:
2778:
2776:
2775:
2772:
2769:
2765:
2762:
2761:
2759:
2758:
2753:
2748:
2743:
2738:
2733:
2728:
2723:
2718:
2713:
2707:
2701:
2696:
2691:
2686:
2681:
2676:
2671:
2666:
2661:
2655:
2653:
2649:
2648:
2646:
2645:
2640:
2635:
2630:
2625:
2620:
2615:
2610:
2605:
2600:
2595:
2589:
2587:
2583:
2582:
2580:
2579:
2574:
2569:
2564:
2559:
2553:
2551:
2547:
2546:
2534:
2533:
2526:
2519:
2511:
2502:
2501:
2499:
2498:
2493:
2488:
2483:
2478:
2473:
2468:
2463:
2457:
2455:
2449:
2448:
2445:
2444:
2442:
2441:
2436:
2430:
2428:
2422:
2421:
2418:
2417:
2415:
2414:
2409:
2404:
2399:
2397:NPO Energomash
2394:
2388:
2386:
2382:
2381:
2379:
2378:
2373:
2368:
2363:
2357:
2355:
2348:
2341:
2337:
2336:
2333:
2332:
2330:
2329:
2324:
2319:
2314:
2309:
2304:
2299:
2294:
2289:
2284:
2278:
2276:
2272:
2271:
2269:
2268:
2263:
2258:
2253:
2248:
2243:
2238:
2233:
2228:
2223:
2218:
2213:
2208:
2202:
2200:
2196:
2195:
2193:
2192:
2186:
2184:
2180:
2179:
2177:
2176:
2171:
2166:
2160:
2158:
2151:
2147:
2146:
2143:
2142:
2140:
2139:
2134:
2129:
2124:
2119:
2114:
2109:
2104:
2099:
2094:
2088:
2086:
2082:
2081:
2079:
2078:
2073:
2068:
2062:
2060:
2054:
2053:
2051:
2050:
2045:
2040:
2035:
2030:
2025:
2019:
2017:
2015:Cape Canaveral
2008:
2004:
2003:
2000:
1999:
1996:
1995:
1993:
1992:
1987:
1982:
1976:
1974:
1970:
1969:
1967:
1966:
1961:
1956:
1951:
1945:
1943:
1939:
1938:
1936:
1935:
1930:
1925:
1919:
1917:
1913:
1912:
1910:
1909:
1904:
1899:
1894:
1889:
1883:
1881:
1874:
1873:Launch systems
1870:
1869:
1867:
1866:
1861:
1856:
1850:
1848:
1844:
1843:
1841:
1840:
1835:
1830:
1825:
1819:
1817:
1810:
1806:
1805:
1798:
1796:
1794:
1793:
1788:
1782:
1780:
1776:
1775:
1770:
1769:
1762:
1755:
1747:
1741:
1740:
1733:
1732:External links
1730:
1729:
1728:
1720:
1719:
1706:
1692:
1678:
1664:
1650:
1621:
1610:on May 1, 2002
1592:
1556:
1530:
1505:
1458:
1447:on May 1, 2017
1428:
1399:
1373:
1350:
1333:
1297:
1296:
1294:
1291:
1290:
1289:
1284:
1279:
1274:
1267:
1264:
1263:
1262:
1248:Cape Canaveral
1241:
1235:
1229:
1223:
1217:
1211:
1205:
1204:
1203:
1189:
1188:each (4 total)
1179:
1169:
1153:
1147:
1131:
1130:Specifications
1128:
1118:
1115:
1106:
1103:
1090:
1087:
1074:
1071:
1062:
1061:
1055:
1049:
1038:
1035:
998:Main article:
995:
992:
991:
990:
987:
980:
978:
975:
968:
966:
963:
956:
954:
951:
944:
942:
935:
928:
926:
878:Main article:
875:
872:
867:
864:Castor 4A
788:
785:
768:
765:
721:
718:
710:Atlas III
681:
680:
673:
670:
669:
666:
665:
657:
653:
649:
645:
644:
641:
637:
636:
633:
627:
626:
622:
619:
618:Maximum thrust
615:
614:
608:
604:
603:
596:
595:
587:
583:
579:
578:
575:
571:
570:
567:
561:
560:
556:
553:
552:Maximum thrust
549:
548:
541:
537:
536:
529:
528:
523:
519:
518:
515:
511:
510:
507:
501:
500:
496:
493:
489:
488:
484:
481:
480:Maximum thrust
477:
476:
473:
469:
468:
461:
460:
451:
447:
446:
443:
439:
438:
435:
429:
428:
424:
421:
417:
416:
409:
405:
404:
401:
397:
396:
389:
388:
379:
375:
374:
371:
367:
366:
363:
357:
356:
352:
349:
348:Maximum thrust
345:
344:
337:
333:
332:
328:
327:
324:
323:
312:
308:
307:
296:March 16, 1998
291:
287:
286:
270:
266:
265:
262:
258:
257:
242:
241:Total launches
238:
237:
223:Cape Canaveral
220:
216:
215:
212:
208:
207:
206:Launch history
203:
202:
197:
193:
192:
188:
187:
184:
183:
181:
180:
174:
168:
161:
159:
155:
154:
147:
146:
144:
143:
137:
131:
124:
122:
118:
117:
110:
109:
105:
104:
99:2.5 (3.5 with
97:
93:
92:
89:
85:
84:
81:
77:
76:
73:
69:
68:
64:
63:
60:
56:
55:
50:
46:
45:
40:
36:
35:
32:
15:
9:
6:
4:
3:
2:
5389:
5378:
5375:
5373:
5370:
5369:
5367:
5351:
5348:
5345:
5342:
5339:
5338:
5335:
5329:
5326:
5322:
5319:
5317:
5314:
5312:
5309:
5307:
5304:
5302:
5299:
5297:
5294:
5292:
5289:
5287:
5284:
5282:
5279:
5277:
5274:
5273:
5272:
5269:
5267:
5264:
5260:
5257:
5255:
5252:
5250:
5247:
5245:
5242:
5240:
5237:
5235:
5232:
5231:
5230:
5227:
5225:
5222:
5220:
5217:
5215:
5212:
5210:
5209:Space Shuttle
5207:
5205:
5202:
5198:
5195:
5193:
5190:
5188:
5185:
5184:
5183:
5180:
5178:
5175:
5173:
5170:
5167:
5164:
5161:
5158:
5156:
5153:
5151:
5148:
5146:
5143:
5140:
5137:
5133:
5130:
5128:
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4777:
4775:
4772:
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4757:
4755:
4754:Firefly Alpha
4752:
4750:
4747:
4745:
4742:
4740:
4737:
4734:
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4730:
4728:
4724:
4719:
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4535:UR-500 Proton
4533:
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4321:Space Shuttle
4319:
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4314:
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4307:
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4248:
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4230:
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4225:
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4222:Blue Scout II
4220:
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2914:
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2911:Firefly Alpha
2909:
2907:
2904:
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2899:
2897:
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2609:
2606:
2604:
2601:
2599:
2596:
2594:
2591:
2590:
2588:
2584:
2578:
2577:SLV-5 (Titan)
2575:
2573:
2570:
2568:
2567:SLV-3 (Atlas)
2565:
2563:
2560:
2558:
2557:SLV-1 (Scout)
2555:
2554:
2552:
2548:
2543:
2539:
2532:
2527:
2525:
2520:
2518:
2513:
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2377:
2374:
2372:
2369:
2367:
2364:
2362:
2359:
2358:
2356:
2352:
2349:
2347:Manufacturers
2345:
2342:
2338:
2328:
2325:
2323:
2320:
2318:
2315:
2313:
2310:
2308:
2305:
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2209:
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2201:
2197:
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2175:
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2167:
2165:
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2110:
2108:
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2100:
2098:
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2055:
2049:
2046:
2044:
2041:
2039:
2036:
2034:
2031:
2029:
2026:
2024:
2021:
2020:
2018:
2016:
2012:
2009:
2005:
1991:
1988:
1986:
1983:
1981:
1978:
1977:
1975:
1971:
1965:
1962:
1960:
1957:
1955:
1952:
1950:
1947:
1946:
1944:
1940:
1934:
1933:Atlas-Centaur
1931:
1929:
1926:
1924:
1921:
1920:
1918:
1914:
1908:
1905:
1903:
1900:
1898:
1895:
1893:
1890:
1888:
1885:
1884:
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1878:
1875:
1871:
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1826:
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1821:
1820:
1818:
1814:
1811:
1807:
1802:
1792:
1789:
1787:
1784:
1783:
1781:
1779:Main articles
1777:
1773:Atlas rockets
1768:
1763:
1761:
1756:
1754:
1749:
1748:
1745:
1739:
1736:
1735:
1727:
1724:
1723:
1716:
1710:
1702:
1696:
1688:
1682:
1674:
1668:
1660:
1654:
1638:
1634:
1628:
1626:
1609:
1605:
1599:
1597:
1588:
1582:
1566:
1560:
1544:
1540:
1534:
1515:
1509:
1490:
1483:
1477:
1475:
1473:
1471:
1469:
1467:
1465:
1463:
1451:September 20,
1446:
1442:
1438:
1432:
1421:September 27,
1417:
1413:
1406:
1404:
1392:September 27,
1388:. May 3, 1988
1387:
1383:
1377:
1369:
1365:
1361:
1354:
1347:
1343:
1337:
1321:
1317:
1311:
1309:
1307:
1305:
1303:
1298:
1288:
1285:
1283:
1280:
1278:
1275:
1273:
1270:
1269:
1261:
1257:
1253:
1249:
1245:
1242:
1239:
1236:
1233:
1230:
1227:
1224:
1221:
1220:Core diameter
1218:
1215:
1212:
1209:
1206:
1201:
1197:
1193:
1190:
1187:
1183:
1180:
1177:
1174:(MA-5A): 1 ×
1173:
1170:
1167:
1163:
1160:
1159:
1157:
1154:
1151:
1148:
1145:
1142:
1141:
1136:
1127:
1124:
1114:
1112:
1102:
1100:
1096:
1086:
1079:
1070:
1066:
1059:
1056:
1053:
1050:
1047:
1044:
1043:
1042:
1034:
1031:
1027:
1023:
1019:
1015:
1011:
1007:
1001:
984:
979:
972:
967:
960:
955:
948:
943:
939:
932:
927:
924:
923:
922:
920:
919:Vulcan rocket
916:
912:
907:
905:
900:
898:
894:
889:
887:
881:
871:
865:
860:
858:
857:
852:
851:gas generator
848:
844:
839:
837:
833:
829:
824:
822:
821:liquid oxygen
818:
814:
813:Delta II
810:
806:
798:
793:
784:
782:
777:
774:
764:
762:
758:
754:
750:
745:
743:
738:
735:
731:
727:
717:
715:
711:
707:
703:
699:
698:Atlas missile
695:
691:
687:
677:
671:
667:
664:
660:
650:
646:
642:
638:
634:
632:
628:
620:
616:
613:
609:
605:
602:
597:
594:
590:
584:
580:
576:
572:
568:
566:
562:
554:
550:
546:
542:
538:
535:
530:
527:
524:
520:
516:
512:
508:
506:
502:
494:
490:
482:
478:
474:
470:
467:
462:
459:
455:
452:
448:
444:
440:
436:
434:
430:
422:
418:
414:
410:
406:
402:
398:
395:
390:
387:
383:
380:
376:
372:
368:
364:
362:
358:
350:
346:
342:
338:
334:
329:
325:
321:
316:
313:
309:
305:
300:
295:
292:
288:
284:
280:June 10, 1992
279:
274:
271:
267:
263:
259:
255:
251:
247:
243:
239:
236:
232:
228:
224:
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129:
126:
125:
123:
119:
116:
111:
106:
102:
98:
94:
90:
86:
82:
78:
74:
70:
65:
62:United States
61:
57:
54:
51:
47:
44:
41:
37:
30:
25:
19:
5266:Thorad-Agena
4961:
4749:Falcon Heavy
4429:Thorad-Agena
4102:Soyuz/Vostok
3609:
2906:Falcon Heavy
2768:Not assigned
2597:
2562:SLV-2 (Thor)
2340:Corporations
2199:Upper stages
2183:First stages
2007:Launch sites
1953:
1916:Upper stages
1880:Alphabetical
1786:Atlas family
1709:
1695:
1681:
1667:
1653:
1641:. Retrieved
1637:the original
1612:. Retrieved
1608:the original
1604:"Atlas IIAS"
1569:. Retrieved
1559:
1549:February 14,
1547:. Retrieved
1542:
1533:
1521:. Retrieved
1508:
1496:. Retrieved
1489:the original
1449:. Retrieved
1445:the original
1440:
1431:
1419:. Retrieved
1415:
1390:. Retrieved
1385:
1376:
1368:the original
1363:
1358:Wade, Mark.
1353:
1345:
1340:Tariq Malik
1336:
1324:. Retrieved
1320:the original
1244:Launch Sites
1243:
1237:
1231:
1225:
1219:
1213:
1207:
1192:Second stage
1191:
1181:
1171:
1161:
1155:
1149:
1143:
1120:
1108:
1092:
1084:
1067:
1063:
1057:
1051:
1045:
1040:
1003:
908:
901:
890:
883:
861:
855:
840:
836:Atlas I
825:
802:
778:
770:
746:
739:
723:
714:Atlas V
702:Atlas I
685:
684:
492:Total thrust
472:No. boosters
420:Total thrust
400:No. boosters
317:(Atlas IIAS)
303:
298:
293:
282:
277:
272:
269:First flight
253:
249:
245:
219:Launch sites
176:
170:
164:
139:
133:
127:
49:Manufacturer
18:
5155:LauncherOne
4831:Antares 330
3919:LauncherOne
3870:Kaituozhe-1
3647:Black Arrow
3399:Orbex Prime
3298:Hyperbola-2
3263:Antares 330
2963:Kaituozhe 2
2936:Hyperbola-1
2127:Plattsburgh
1985:Atlas SLV-3
1980:Atlas LV-3B
1928:Atlas-Agena
1791:SM-65 Atlas
1633:"Atlas IIA"
1545:(in French)
1523:November 5,
1346:Space News,
1162:First stage
577:392 seconds
445:172 seconds
392:Boosters –
373:283 seconds
331:First stage
322:(Atlas IIA)
290:Last flight
261:Success(es)
150:Payload to
113:Payload to
5366:Categories
3924:Long March
3828:Feng Bao 1
3441:Tianlong-3
3367:New Line 1
3325:Long March
3273:Cyclone-4M
3213:Tianlong-2
3191:2.1b / STB
3186:2.1a / STA
3129:Pegasus XL
2995:Long March
2968:Kinetica 1
2891:Chollima-1
2652:Satellites
2550:SLV series
2407:Rocketdyne
2150:Components
2058:Vandenberg
1923:Atlas-Able
1816:Prototypes
1715:Atlas IIAS
1659:"Atlas 3A"
1643:January 9,
1614:January 9,
1571:January 9,
1498:January 9,
1326:January 9,
1316:"Atlas II"
1293:References
1256:Vandenberg
1198:A-3-3A or
1117:Atlas IIAS
1012:using the
720:Background
692:family of
648:Propellant
643:60 seconds
607:Powered by
582:Propellant
540:Powered by
534:Centaur II
522:Propellant
517:56 seconds
450:Propellant
408:Powered by
378:Propellant
336:Powered by
252: 23,
248: 10,
231:Vandenberg
177:Atlas IIAS
140:Atlas IIAS
5000:Conestoga
4861:Red Dwarf
4846:New Glenn
4836:Daytona I
4023:Paektusan
3652:Conestoga
3409:Red Dwarf
3362:New Glenn
3293:Gravity-2
3283:Epsilon S
2916:Gravity-1
2586:SB series
2496:2020–2029
2491:2010–2019
2486:2000–2009
2481:1990–1999
2476:1980–1989
2471:1970–1979
2466:1960–1969
2461:1957–1959
2169:Castor 4A
2132:Schilling
2102:Fairchild
1959:Atlas III
1942:Numerical
1897:Atlas E/F
1701:"last-4m"
1687:"Atlas V"
1519:. Aerojet
1441:au.af.mil
1282:Atlas III
1186:Castor 4A
1123:Castor 4A
1105:Atlas IIA
1014:Transtage
911:Atlas III
897:hydrazine
832:hydrazine
640:Burn time
574:Burn time
514:Burn time
466:Castor 4A
442:Burn time
370:Burn time
256: 30)
171:Atlas IIA
134:Atlas IIA
108:Capacity
5328:Vanguard
5239:Ablestar
5224:Terran 1
5177:Rocket 3
5117:Falcon 9
5112:Falcon 1
5105:IV Heavy
4888:Terran R
4883:Starship
4871:Block 1B
4759:Minotaur
4739:Electron
4567:original
4557:Vanguard
4540:Proton-K
4513:original
4361:Ablestar
4346:Terran 1
4304:original
4163:Rocket 3
4070:original
3880:original
3806:Falcon 9
3801:Falcon 1
3757:IV Heavy
3473:Zuljanah
3436:Terran R
3419:Block 1B
3404:Pallas-1
3308:Kuaizhou
3268:Bloostar
3208:Starship
3159:Shavit 2
3144:Qaem 100
3134:Proton-M
3092:Minotaur
2973:Kuaizhou
2896:Electron
2864:Ariane 6
2453:Launches
2157:Boosters
2043:(S)LC-36
1954:Atlas II
1847:Missiles
1673:"Vulcan"
1581:cite web
1266:See also
1182:Boosters
1172:Boosters
1089:Atlas II
1073:Versions
1058:Extended
1026:Delta IV
686:Atlas II
165:Atlas II
128:Atlas II
80:Diameter
39:Function
22:Atlas II
5150:Juno II
4993:Centaur
4897:Retired
4876:Block 2
4851:Neutron
4808:Block 1
4786:Pegasus
4733:Atlas V
4715:Orbital
4632:Classes
4503:Tsyklon
4341:Start-1
4112:Voskhod
4107:Sputnik
4043:Molniya
4028:Pilot-2
3865:Juno II
3779:Epsilon
3774:Energia
3764:Diamant
3640:Centaur
3489:Antares
3482:Retired
3431:Soyuz-7
3424:Block 2
3357:Neutron
3347:Miura 5
3181:Soyuz-2
3174:Block 1
3164:Simorgh
2941:Jielong
2869:Atlas V
2840:Current
2412:Thiokol
2392:Aerojet
2385:Engines
2361:Convair
2275:Engines
2266:Trident
2226:Centaur
2117:Lincoln
1964:Atlas V
1949:Atlas I
1907:Atlas H
1902:Atlas G
1892:Atlas D
1887:Atlas B
1864:Atlas F
1859:Atlas E
1854:Atlas D
1838:Atlas C
1833:Atlas B
1828:Atlas A
1809:Rockets
1416:UPI.com
1386:UPI.com
1277:Atlas I
1156:Engines
1095:Atlas I
915:Atlas V
781:Atlas I
773:Atlas I
742:Atlas I
214:Retired
5276:II GLV
5259:DSV-2U
5249:Burner
5219:Sparta
5182:Saturn
5145:Juno I
4910:Athena
4726:Active
4616:Zhuque
4550:Strela
4508:R-36-O
4451:II GLV
4439:SLV-2H
4434:SLV-2G
4422:DSV-2U
4400:Burner
4336:SS-520
4331:Sparta
4299:Shavit
4190:Saturn
4151:Shtil'
4117:Vostok
4060:Polyot
4018:Naro-1
3907:Lambda
3875:Kosmos
3860:Juno I
3784:Europa
3558:Athena
3521:Ariane
3461:Zhuque
3451:Vega E
3303:Irtysh
3240:Zhuque
2958:KAIROS
2847:Angara
2756:EWS-G2
2751:EWS-G1
2721:XSS-12
2716:XSS-11
2710:XSS-10
2643:ASB-11
2638:SSB-10
2354:Rocket
2317:RD-180
2307:LR-105
2297:B-8096
2292:B-8081
2287:B-8048
2221:Burner
2216:Altair
2164:AJ-60A
2137:Walker
2122:Offutt
2107:Forbes
2066:LC-576
2048:SLC-41
1823:MX-774
1260:SLC-3E
1238:Models
1214:Length
1208:Thrust
1194:: 2 ×
1164:: 1 ×
1046:Medium
938:GOES-L
904:RL-10A
886:RL-10A
767:Design
211:Status
196:Family
96:Stages
72:Height
5271:Titan
5254:Delta
5244:Agena
5214:SPARK
5204:Scout
5172:Pilot
5005:Delta
4988:Agena
4978:SLV-3
4973:LV-3B
4927:Atlas
4579:Zenit
4574:VLS-1
4545:Rokot
4446:Titan
4417:Delta
4378:Agena
4326:SPARK
4212:Scout
4168:Safir
4156:Volna
4065:Soyuz
3855:H-IIB
3769:Dnepr
3657:Delta
3635:Agena
3625:SLV-3
3620:LV-3B
3575:Atlas
3149:Qased
3124:OS-M1
2926:H-IIA
2874:Ceres
2746:ES-17
2741:LS-16
2736:LS-15
2731:ES-14
2704:LS-10
2633:SSB-9
2628:SSB-8
2623:SSB-7
2327:RS-56
2302:LR-89
2282:AJ-10
2211:Agena
2097:Dyess
2092:Altus
2085:Bases
2076:SLC-4
2071:SLC-3
2038:LC-14
2033:LC-13
2028:LC-12
2023:LC-11
1973:Other
1517:(PDF)
1492:(PDF)
1485:(PDF)
1252:LC-36
1176:RS-56
1166:RS-56
1052:Large
847:MA-5A
843:RS-56
809:RS-27
805:RS-56
797:RS-56
728:(now
690:Atlas
674:[
545:RL-10
413:RS-56
394:MA-5A
341:RS-56
304:IIAS:
283:IIAS:
254:IIAS:
235:SLC-3
227:LC-36
200:Atlas
5316:CT-3
5301:IIIE
5296:IIID
5291:IIIC
5286:IIIB
5281:IIIA
5234:Able
5229:Thor
5166:N-II
5127:v1.1
5122:v1.0
5085:5000
5080:4000
5075:3000
5070:2000
5065:1000
5060:0100
4983:Able
4856:Nova
4604:3SLB
4562:Vega
4491:CT-3
4476:IIIE
4471:IIID
4466:IIIC
4461:IIIB
4456:IIIA
4356:Able
4351:Thor
4252:X-2B
4242:X-3M
4232:X-2M
4146:R-29
4038:Luna
4013:N-II
3991:3SII
3890:2/2I
3850:H-II
3838:Mk I
3833:GSLV
3816:v1.1
3811:v1.0
3737:5000
3732:4000
3727:3000
3722:2000
3717:1000
3712:0100
3630:Able
3553:ASLV
3514:230+
3456:Zero
3382:OS-M
3377:Nova
3372:NGLV
3288:Eris
3278:Deca
3223:Vega
3218:Unha
3203:SSLV
3196:2-1v
3139:PSLV
3119:Nuri
3087:LVM3
3020:3B/E
2921:GSLV
2726:S-13
2712:(II)
2699:LS-9
2694:ES-8
2689:NS-7
2684:LS-6
2679:ES-5
2674:ES-4
2669:LS-3
2664:WS-2
2659:WS-1
2618:SB-6
2613:SB-5
2608:SB-4
2603:SB-3
2598:SB-2
2593:SB-1
2542:USSF
2540:and
2538:USAF
2426:LSPs
2322:RL10
2312:R-4D
2256:Star
2231:IABS
2206:Able
1645:2016
1616:2016
1587:link
1573:2016
1551:2021
1525:2022
1500:2016
1453:2018
1423:2022
1394:2022
1328:2016
1254:and
1200:RL10
1196:RL10
1168:-OSA
1111:RL10
1097:and
1030:R-4D
826:The
819:and
817:RP-1
612:R-4D
610:2 ×
601:IABS
543:2 ×
526:HTPB
454:RP-1
415:-OBA
411:1 ×
382:RP-1
343:-OSA
339:1 ×
320:TDRS
315:SOHO
299:IIA:
278:IIA:
250:IIA:
244:63 (
158:Mass
121:Mass
101:IABS
88:Mass
67:Size
5311:23G
5306:34D
5160:N-I
5139:H-I
5095:III
4967:III
4942:E/F
4866:SLS
4841:MLV
4803:SLS
4798:RS1
4599:3SL
4594:2FG
4486:23G
4481:34D
4316:SLV
4292:G-1
4287:F-1
4282:E-1
4277:A-1
4272:D-1
4267:B-1
4247:X-4
4237:X-3
4227:X-2
4217:X-1
4033:R-7
4008:N-I
3845:H-I
3747:III
3615:III
3590:E/F
3509:230
3504:130
3499:120
3494:110
3446:VLM
3414:SLS
3352:MLV
3169:SLS
3154:RS1
3080:11H
2852:1.2
2706:(I)
2261:SVS
2251:SGS
2246:PTS
2241:OIS
2236:MSD
1202:A-4
1016:or
759:at
751:at
663:MMH
593:LOX
458:LOX
386:LOX
294:II:
273:II:
246:II:
152:GTO
115:LEO
5368::
5321:IV
5192:IB
5100:IV
5090:II
4969:**
4962:II
4920:II
4906:**
4791:XL
4769:IV
4735:**
4609:3F
4589:2M
4496:IV
4200:IB
4183:1B
4178:1A
4137:2M
4095:U2
4075:FG
4003:N1
3986:3S
3981:3H
3976:3C
3971:4S
3966:Mu
3959:4A
3954:3B
3944:2E
3939:2A
3934:1D
3912:4S
3900:3M
3794:II
3752:IV
3742:II
3610:II
3568:II
3340:12
3335:10
3318:31
3313:21
3102:IV
3075:11
3065:7A
3055:6A
3045:5B
3035:4C
3030:4B
3025:3C
3015:3A
3010:2F
3005:2D
3000:2C
2988:11
2983:1A
2931:H3
2884:1S
2857:A5
2174:MA
1990:GX
1624:^
1595:^
1583:}}
1579:{{
1541:.
1461:^
1439:.
1414:.
1402:^
1384:.
1362:.
1344:,
1301:^
1258:,
1250:,
1246::
1158::
783:.
661:/
591:/
586:LH
456:/
384:/
264:63
233:,
225:,
5197:V
5187:I
5168:*
5162:*
5141:*
5055:N
5050:M
5045:L
5040:J
5035:G
5030:E
5025:D
5020:C
5015:B
5010:A
4957:I
4952:H
4947:G
4937:D
4932:B
4915:I
4779:C
4774:V
4764:I
4707:e
4700:t
4693:v
4621:1
4584:2
4523:3
4518:2
4410:2
4405:1
4393:D
4388:B
4383:A
4371:2
4366:1
4309:1
4262:A
4257:B
4205:V
4195:I
4173:1
4132:2
4127:K
4122:L
4090:U
4085:M
4080:L
4053:L
4048:M
3996:V
3949:3
3929:1
3895:3
3885:1
3789:I
3707:N
3702:M
3697:L
3692:J
3687:G
3682:E
3677:D
3672:C
3667:B
3662:A
3605:I
3600:H
3595:G
3585:D
3580:B
3563:I
3546:5
3541:4
3536:3
3531:2
3526:1
3466:3
3392:4
3387:2
3330:9
3245:2
3228:C
3112:C
3107:V
3097:I
3070:8
3060:7
3050:6
3040:5
2978:1
2951:3
2946:1
2879:1
2807:e
2800:t
2793:v
2530:e
2523:t
2516:v
1766:e
1759:t
1752:v
1689:.
1675:.
1661:.
1647:.
1618:.
1589:)
1575:.
1553:.
1527:.
1502:.
1455:.
1425:.
1396:.
1330:.
940:.
868:f
856:g
678:]
658:4
656:O
654:2
652:N
625:)
623:f
588:2
559:)
557:f
547:A
499:)
497:f
487:)
485:f
475:4
427:)
425:f
403:2
355:)
353:f
103:)
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