ABSD-7, an
advanced base sectional dock
An auxiliary floating drydock is a type of US Navy floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repair below the water line. Water is then pumped out of the floating dry 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
CB&I is a large engineering, procurement and construction (EPC) company with its administrative headquarters in The Woodlands, Texas. CB&I specializes in projects for oil and gas companies. CB&I employs more than 32,000 people worldwide. In M ...
,
Morgan City, Louisiana
Morgan City is a small city in St. Mary and lower St. Martin parishes in the U.S. State of Louisiana. The population was 12,404 at the 2010 census. Known for being “right in the middle of everywhere”, Morgan City is located 68 miles (109&nb ...
, and completed in December 1944 and January and February 1945; ABD-51 and ABD-52 were built by
Pollock-Stockton Shipbuilding Company
Pollock-Stockton Shipbuilding Company was established in 1942 to build ships needed for World War II. As part of the Emergency Shipbuilding Program the US Navy provided some of the capital to start Pollock-Stockton Shipbuilding at Stockton, Cali ...
,
Stockton, California, and completed in January and March 1945; and ABD-58 was built by
Pittsburgh-Des Moines Steel Co.
The Pittsburgh-Des Moines Steel Company (originally the Des Moines Bridge and Iron Company), and often referred to as Pitt-Des Moines Steel or PDM was an American steel fabrication company. It operated from 1892 until approximately 2002 when it ...
,
Pittsburgh
Pittsburgh ( ) is a city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County, Pennsylvania, Allegheny County. It is the most populous city in both Allegheny County and Wester ...
, Pennsylvania, and completed in October 1944.
Mare Island
The seven advance base docks were towed to
Mare Island Navy Yard
The Mare Island Naval Shipyard (MINSY) was the first United States Navy base established on the Pacific Ocean. It is located northeast of San Francisco in Vallejo, California. The Napa River goes through the Mare Island Strait and separates ...
where they were erected and assembled into ABSD-7. Completed in March 1945, the advance base section dock began duty at
Mare Island
Mare Island ( Spanish: ''Isla de la Yegua'') is a peninsula in the United States in the city of Vallejo, California, about northeast of San Francisco. The Napa River forms its eastern side as it enters the Carquinez Strait juncture with the ...
, 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.
Holy Loch
Early in 1961, four sections—"A", "B", "C", and "D"—of AFDB‑7 were towed across the Atlantic Ocean to
Holy Loch
The Holy Loch ( gd, An Loch Sianta/Seunta) is a sea loch, a part of the Cowal peninsula coast of the Firth of Clyde, in Argyll and Bute, Scotland.
The "Holy Loch" name is believed to date from the 6th century, when Saint Munn landed there af ...
, Scotland, where on 3 March 1961 the Navy established an important base for fleet ballistic submarines. A detachment of
Seabee
United States Naval Construction Battalions, better known as the Navy Seabees, form the U.S. Naval Construction Force (NCF). The Seabee nickname is a heterograph of the initial letters "CB" from the words "Construction Battalion". Depending upon ...
s 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
A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely ...
, 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
The Holy Loch ( gd, An Loch Sianta/Seunta) is a sea loch, a part of the Cowal peninsula coast of the Firth of Clyde, in Argyll and Bute, Scotland.
The "Holy Loch" name is believed to date from the 6th century, when Saint Munn landed there af ...
. She supported refit and repair operations by submarine tenders , , , , and . In February 1964 she successfully completed the first "off center" docking of a
Polaris
Polaris is a star in the northern circumpolar constellation of Ursa Minor. It is designated α Ursae Minoris ( Latinized to ''Alpha Ursae Minoris'') and is commonly called the North Star or Pole Star. With an apparent magnitude that ...
submarine. By providing keel blocks preset for two separate classes of
SSBN
A ballistic missile submarine is a submarine capable of deploying submarine-launched ballistic missiles (SLBMs) with nuclear warheads. The United States Navy's hull classification symbols for ballistic missile submarines are SSB and 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
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cl ...
, 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
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
and reinstated on the
Naval Vessel Register
The ''Naval Vessel Register'' (NVR) is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from t ...
as
YFP-14. Stricken from the
Naval Vessel Register
The ''Naval Vessel Register'' (NVR) is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from t ...
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
The ''Naval Vessel Register'' (NVR) is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from t ...
'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 is currently in use as ''Solomon Ortiz Dry Dock'' at Keppel AmFELS Shipyard, Brownsville, Texas.
Recent Google Earth picture showing Los Alamos in service in Brownsville, TX
/ref>
References
*
*—AFDB-7 Sections A–E & G, AFDB7 Section F
*—YFP-14
External links
*
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
{{DEFAULTSORT:Los Alamos (AFDB-7)
World War II auxiliary ships of the United States
Cold War auxiliary ships of the United States
Ships built in Morgan City, Louisiana
1945 ships
Floating drydocks of the United States Navy