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Hughes Mining Barge

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The overhaul included new equipment to allow the dock to submerge and surface by pumping ballast water, rather than by the previous compressed air system. The barge is no longer capable of submerging completely. Like other floating drydocks, it takes on enough water to allow entry of a vessel, then
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Newman, Barry (February 24, 2009). "The Navy Has A Top-Secret Vessel It Wants To Put On Display; Sea Shadow and Its Satellite-Proof Barge Need a Home; Plotting in Providence".
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was designed to allow the device that would be used to grasp and lift the submarine to be constructed inside the barge and out of sight, and to be installed in the
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Roy Varner and Wayne Collier "A Matter of Risk: The Incredible Inside Story of the CIA's Hughes Glomar Explorer Mission to Raise a Russian Submarine", 1978
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was moored at the Bay Ship & Yacht Company facility on Main St. in Alameda, CA. In March 2015, the helipad was removed from atop the dry dock.
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about 99 m (324 ft) long, 32 m (106 ft) wide, and more than 27 m (90 ft) tall. The
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After several attempts to find the vessel a home at a museum, General Services Administration offered the
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The CIA's Greatest Covert Operation: Inside the Daring Mission to Recover a Nuclear-Armed Soviet Sub
204:(more widely, but erroneously, known as "Project Jennifer"), the top-secret effort mounted by the 486:"Now tons of scrap, Sunnyvale Lockheed facility's Sea Shadow leaves a stealthy, high-tech legacy" 635: 414: 621:
AZORIAN The Raising of the K-129 / 2009 - 2 Part TV Documentary / Michael White Films Vienna
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for sale as scrap. The vessels were bought by the Bay Ship & Yacht Company of
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Virtual tour inside HMB-1 and Sea Shadow, 2011, includes HMB-1 operating manual.
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Bay Ship Rhumbline. "Fly Away Helipad" Spring 2015, Vol. 6, No. 2, pg 4.
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pumps out ballast until the interior of the dock is above water.
345: 284: 636:"The Navy Has a Top-Secret Vessel It Wants to Put on Display" 193: 102: 574:. Lawrence, KS: University Press of Kansas. p. 344. 383:"Innovative stealth ship sold to Alameda firm for scrap" 527:. 2013-08-01. Archived from the original on 2013-12-24. 596:
Project Azorian - The CIA and the Raising of the K-129
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2.5 million in June 2012. Under the terms of the sale
468:"Navy Plans to Scrap First Experimental Stealth Ship" 232:, with the capture device inside, to a location near 599:. Annapolis MD: Naval Institute Press. p. 238. 654: 537:: CS1 maint: bot: original URL status unknown ( 247:After the conclusion of Project Azorian, the 415:"Fact Sheet for Hughes Mining Barge (HMB-1)" 301:being tested by the Navy. Sea trials of the 108:10,875 long tons (11,050 t) full load 228:in secrecy. This was done by towing the 267:until November 1982. At that time, the 655: 592: 451: 380: 567: 374: 38: 200:was originally developed as part of 13: 445: 14: 684: 614: 673:Barges of the United States Navy 668:K-129 submarine sinking accident 40: 22: 208:to salvage the wreckage of the 545: 510: 492: 478: 460: 436: 407: 1: 381:Weiser, Matt (July 6, 2012). 362: 283:, where it became a floating 240:was then maneuvered over the 28:HMB-1 in San Diego, June 2005 631:Overview of Project Jennifer 7: 626:Photos and details of HMB-1 206:Central Intelligence Agency 10: 689: 271:towed the huge barge to a 442:Polmar et al. 202, p. 93. 344:for service as a covered 287:for the construction and 78: 33: 21: 166:37.791404°N 122.293196°W 79:General characteristics 593:Polmar, Norman (2010). 308: 134:13 ft (4.0 m) 126:106 ft (32 m) 118:324 ft (99 m) 305:continued until 1986. 215:from the ocean floor. 171:37.791404; -122.293196 568:Sharp, David (2012). 518:"HMB-1 Press Release" 525:Bay Ship & Yacht 333:had to be scrapped. 16:US submersible barge 644:- February 24, 2009 641:Wall Street Journal 454:Wall Street Journal 355:As of August 2013, 323:Alameda, California 192:, is a submersible 183:Hughes Mining Barge 162: /  57:Hughes Mining Barge 638:by Barry Newman - 504:Maritime Executive 488:. January 5, 2013. 388:The Sacramento Bee 297:, an experimental 269:United States Navy 606:978-1-59114-690-2 581:978-0-7006-1834-7 506:. August 6, 2013. 210:Soviet submarine 146: 145: 87:Submersible barge 680: 610: 589: 584:. Archived from 552: 549: 543: 542: 536: 528: 522: 514: 508: 507: 496: 490: 489: 482: 476: 475: 474:. June 18, 2011. 464: 458: 457: 449: 443: 440: 434: 433: 431: 429: 419: 411: 405: 404: 402: 400: 391:. 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Retrieved 421: 409: 399:11 September 397:. Retrieved 393:the original 386: 376: 356: 354: 350: 337: 335: 330: 318: 314: 312: 302: 299:stealth ship 292: 277:Redwood City 275:facility in 248: 246: 241: 237: 229: 223: 219: 217: 211: 197: 188: 187: 182: 181: 179: 147: 101:(5,893  92:Displacement 56: 169: / 157:122°17′36″W 663:1974 ships 657:Categories 363:References 331:Sea Shadow 319:Sea Shadow 303:Sea Shadow 294:Sea Shadow 289:sea trials 281:California 265:California 253:mothballed 154:37°47′29″N 139:Propulsion 99:long tons 533:cite web 472:Fox News 63:Launched 346:drydock 291:of the 285:drydock 255:at the 105:) light 34:History 603:  578:  424:. 2012 422:SFMNPA 115:Length 97:5,800 521:(PDF) 418:(PDF) 368:Notes 357:HMB-1 338:HMB-1 315:HMB-1 249:HMB-1 242:HMB-1 230:HMB-1 220:HMB-1 212:K-129 198:HMB-1 194:barge 189:HMB-1 186:, or 131:Draft 601:ISBN 576:ISBN 539:link 430:2012 401:2012 336:The 327:US$ 325:for 317:and 309:Fate 251:was 218:The 180:The 142:None 123:Beam 84:Type 71:Fate 66:1974 53:Name 259:in 659:: 535:}} 531:{{ 523:. 502:. 470:. 420:. 385:. 279:, 263:, 609:. 541:) 432:. 403:. 103:t

Index

HMB-1 in San Diego, June 2005.
long tons
t
37°47′29″N 122°17′36″W / 37.791404°N 122.293196°W / 37.791404; -122.293196
barge
Project Azorian
Central Intelligence Agency
Soviet submarine K-129
Glomar Explorer
Catalina Island
mothballed
Todd Shipyard
San Francisco
California
United States Navy
Lockheed Martin
Redwood City
California
drydock
sea trials
Sea Shadow
stealth ship
Alameda, California
US$
Treasure Island
drydock
"Innovative stealth ship sold to Alameda firm for scrap"
The Sacramento Bee
the original
"Fact Sheet for Hughes Mining Barge (HMB-1)"

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