Los Alamos (AFDB-7)

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ABSD-7, an advanced base sectional dock, was constructed of seven advance base docks (ABD) as follows: ABD-37, ABD-38, ABD-39, and ABD-40 were built by Chicago Bridge & Iron Company, Morgan City, Louisiana, and completed in December 1944 and January and February 1945; ABD-51 and ABD-52 were built by Pollock-Stockton Shipbuilding Company, Stockton, California, and completed in January and March 1945; and ABD-58 was built by Pittsburgh-Des Moines Steel Co., Pittsburgh, Pennsylvania, and completed in October 1944.

Mare Island

The seven advance base docks were towed to Mare Island Navy Yard where they were erected and assembled into ABSD-7. Completed in March 1945, the advance base section dock began duty at Mare Island, she served there until placed on the inactive list in March 1946. In August 1946 she was reclassified to auxiliary floating drydock AFDB-7. Disassembled and towed to the east coast, she entered the Atlantic Reserve Fleet at Green Cove Springs, Florida in January 1947.

File:USS Abraham Lincoln (SSBN-602) in USS AFDB-7.jpg

in Los Alamos

Holy Loch

Early in 1961, four sections—"A", "B", "C", and "D"—of AFDB‑7 were towed across the Atlantic Ocean to Holy Loch, Scotland, where on 3 March 1961 the Navy established an important base for fleet ballistic submarines. A detachment of Seabees from MCB-4 erected and assembled the four sections. Completed 10 November, the auxiliary floating drydock was placed in service as Los Alamos (AFDB-7).

Assigned to SUBRON 14, Los Alamos began drydock service for the FBM boats.

Converted for use by submarines, she had the following characteristics:

• Displacement:
• Length:
• Draft: light, submerged
• Complement: 143
• Armament: none

Late in 1961 she carried out her first SSBN drydocking of . She then served submarines of the "Highland Squadron" at Holy Loch. She supported refit and repair operations by submarine tenders , , , , and . In February 1964 she successfully completed the first "off center" docking of a Polaris submarine. By providing keel blocks preset for two separate classes of SSBN boats, Los Alamos "added immeasurably to the site's repair flexibility."

On 18 June 1966, section "F" was turned over to the U.S. Army, where it was converted into a floating power plant at Kwajalein named Andrew J Weber (BD-6235). On 1 October 1977, Andrew J Weber was returned to the U.S. Navy and reinstated on the Naval Vessel Register as YFP-14. Stricken from the Naval Vessel Register on 29 May 1991, YFP-14 remained at Guam and was designated to be used in a Sinkex on 18 June 1998. YFP-14 was sunk southeast of Agana, Guam on 19 July 2001. The Naval Vessel Register's entry for YFP-14 incorrectly indicates the vessel was sunk on 18 June 1998, that was the date the vessel was designated to be sunk.

On 5 December 1994 Los Alamos was decommissioned and stricken from the Naval Vessel Register. It was disassembled into sections and returned to the United States, the remaining six original ABSD-7 sections ("A", "B", "C", "D", "E" and "G") were transferred to the Brownsville Navigation District, Texas on 11 August 1995. It remained in use as Solomon Ortiz Dry Dock at Keppel AmFELS Shipyard, Brownsville, Texas until it was decommissioned and disposed of for scrapping in 2024

References

• Public Domain This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

External links

• Naval Historical Center
• Youtube, BATTLESHIP USS IDAHO REPAIRED AT ESPIRITU SANTO in 1944 in USS Artisan (ABSD-1)1
• Youtube, August 15, 1944 mighty battleship Idaho at ABSD-1
• Youtube, Floating Dry Docks WWII