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NavSource Online: Submarine Photo Archive

Specifications(courtesy of specialoperations.com.)Builder: Northrop Grumman. Six were originally proposed, but cost over rides crippled the program, first proposed in 1994. The Navy in July 2003 took delivery of the first ASDS.
In service: 1 (Pearl Harbor) Length: 65 feet. Beam: 6.75 feet; Height: 8.25 feet; Dry Weight: 55 tons; Range: 125+ miles; Speed: 8+ knots; Propulsion: 67 hp electric motor (Ag-Zn battery);Diving Depth: Classified; Crew: Two (2) (pilot and navigator) Masts: 2 (Port - periscope, Starboard - Communication + Global Positioning System); Sonar: Forward Looking - detect natural/man made obstacles; Side Looking - terrain & bottom mapping, mine detection; Passengers: Up to sixteen SEALs, depending on equipment loads; Transported: Piggyback on the deck of a nuclear attack submarine.

Advanced SEAL Delivery System minisub

Size	Image Description	Contributed By/ Source
682k	Crew members aboard a U.S. Navy submarine,possibly either the Charlotte (SSN-766) or Greeneville (SSN-772), conduct an Emergency Personnel Transfer Hoist training exercise with a CH-46 "Sea Knight" helicopter from Helicopter Combat Support Squadron Five (HC-5) in Apra Harbor, Guam on 7 Nov 2001. Note: The flat domes on the aft deck are attachment points for the Dry Deck Shelter or Advanced Seal Delivery Vehicle. The "tiles" on the hull of the boat are a rubberized anechoic tile attached to the outer hull to help absorb active sonar pulses.	U.S. Navy photo # N-3889M-003 by Photographer's Mate 2nd Class Marjorie McNamee, courtesy of news.navy.mil. Partial text courtesy of David Johnston, USNR.
493k	Crew members aboard a U.S. Navy submarine,possibly either the Charlotte (SSN-766) or Greeneville (SSN-772), conduct an Emergency Personnel Transfer Hoist training exercise with a CH-46 "Sea Knight" helicopter from Helicopter Combat Support Squadron Five (HC-5) in Apra Harbor, Guam on 7 Nov 2001. Note: The flat domes on the aft deck are attachment points for the Dry Deck Shelter or Advanced Seal Delivery Vehicle. The "tiles" on the hull of the boat are a rubberized anechoic tile attached to the outer hull to help absorb active sonar pulses.	U.S. Navy photo # N-3889M-004 by Photographer's Mate 2nd Class Marjorie McNamee, courtesy of news.navy.mil.
440k	US Navy Sailors aboard an unidentified *Los Angeles Class* Attack Submarine conduct Emergency Personnel Transfer Hoist Training with a USN CH-46 Sea Knight Helicopter from Helicopter Combat Support Squadron Five (HC-5) in Apra Harbor, Guam on 7 Nov 2001. The "bumps" on the after deck are attachment points for the ASDS or Dry Deck Shelter. Only these two 688's have this feature.	USN photo # DN-SD-04-13133, by PH2 Marjorie Mcnamee, USN, from the Department of Defense Still Media Collection, courtesy of dodmedia.osd.mil. & submitted by Bill Gonyo. Partial text courtesy of David Johnston, USNR.
131k	The Advanced SEAL Delivery System, *(ASDS-1)* rides on the back of Charlotte (SSN-766) off the coast of Oahu with Honolulu in the background, 20 Sept 2002.	U.S. Navy photo courtesy of hnn.navy.mil., submitted to this site by Bill Gonyo.
271k	The *Los Angeles-class* submarine Greeneville (SSN-772), recently completed sea testing for the Advanced SEAL Delivery System *(ASDS-1)*, off the coast of Pearl Harbor, Hawaii, 1 Jul. 2003.	U.S. Navy photo # N-0000X-005, courtesy of news.navy.mil.
234k	Starboard side view of the *Los Angeles-class* submarine Greeneville (SSN-772) recently completed sea testing for the Advanced SEAL Delivery System (ASDS) off the coast of Pearl Harbor, Hawaii, 1 Jul. 2003.	U.S. Navy photo # N-0000X-001, courtesy of news.navy.mil.
19k	Advanced SEAL Delivery System minisub *(ASDS-1)* at Pearl Harbor, 2004.	Photo courtesy of Honolulu Star Bulletin, 2004 via thesubreport.com. Photo added 11/16/08.

Additional Resources and Web Sites of Interest
Advanced SEAL Delivery System [ASDS]

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