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Auxiliary floating drydock
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[[File:USS Artisan ABSD-1 01.jpg|right|thumb|[[USS Artisan (ABSD-1)|USS ''Artisan'' (ABSD-1)]] with and ''LST-120'' in the dock at [[Espiritu Santo]], [[New Hebrides Islands]], 8 January 1945]]
'''Auxiliary floating drydock''' are [[US Navy]] [[Dry_dock#Floating|floating]] [[dry dock]]s that are able to submerge under water and be placed under a ship in need of repair below the [[water line]]. Floating drydocks then rise up under the ship raising the ship out of the water. The ship is now blocked on the deck of the floating dry dock for repair. Most floating drydock had no engine and are towed by [[tugboat]]s to locations. Floating dry docks come in a different sizes to accommodate varying ship sizes. Some floating drydocks come in sections and can be assembled together to increase the size and lift power. Tanks are filled with either air or water to raise and lower the ship.<ref>[http://bit.ly/1KGocfN Floating Dry Docks]</ref>
==World War 2==
When [[World War 2]] started the US Navy had only three steel auxiliary floating dry docks:
*Auxiliary floating drydock YFD-2 was at [[Pearl Harbor]]. YFD-2 was repairing the US destroyer [[USS Shaw (DD-373)|USS ''Shaw'']] on 7 December 1941 during the [[Attack on Pearl Harbor|attack on the harbor]]. YFD-2 and USS ''Shaw'' were hit and damaged in the attack, both were repaired.
*The auxiliary floating drydock [[USS Dewey (YFD-1)|USS ''Dewey'']] scuttled at [[Mariveles, Bataan|Mariveles]] to prevent its capture by the [[Japan]]ese. In 1942 Japan raised the ''Dewey'', but it was resunk by U.S. forces.
*Auxiliary floating dry dock ''ARD-1'', (1933) was also at Pearl Harbor. ''ARD-1'' was a self-sustaining dry dock, with built crew living space, [[power station]], [[ballast]] [[pump]]s, and repair shops.
**To reduce travel time for repair work over 150 auxiliary floating dry dock were built during World War 2. Without these forward repair [[Naval base|bases]], ships would have to return to the states for repair. After World War 2 some of the auxiliary floating dry docks were sold for private use and a few were scrapped. <ref>[http://bit.ly/2FdxRCD shipbuildinghistory.com, Auxiliary Floating Dry Docks]</ref>
==Large Auxiliary Floating Dry Docks (AFDB)==
Auxiliary Floating Docks, Big, section is able to lift 3,850 tons and are 93 feet long. They are also know as Advance Base Sectional Docks (ABSD). Sections could be put together to lift larger ships. AFDB-1 ''Artisan'' had 10 sections (A to J) for a total lift of 38,500 tons and was 930 feet long with all 10 sections.
*[[USS Artisan (ABSD-1)|USS ''Artisan'' (ABSD-1)]] (A-J) built by Everett-Pacific in [[Everett, Washington]]
*USS AFDB-2 (A-J) Built by [[Mare Island Naval Shipyard]] in [[Vallejo, California]] (E,F,H & I in use)
*USS AFDB-3 (A-I) Saw fighting action in [[Guam]], sold to Croatia in 2000<ref>[http://bit.ly/2Fi5y5m Photos of USS ''Samuel B. Roberts'' on blocks in AFDB-3 in 1988]</ref><ref>[http://bit.ly/2FdxS9F "Sea Going Navy Yard Follows The Fleet", November 1945, ''Popular Science'']</ref>
*USS AFDB-4 (A-G) Built by Mare Island NSY, Air attacked on April 27, 1945. Partially sunk 1989 as reef.<ref>[http://bit.ly/2Fh7YRF Pacific Wrecks - AFDB-4 / ABSD-4 Auxiliary Floating Dry Dock 4]</ref>.
*USS AFDB-5 (A-G) Built by Mare Island NSY, scrapped in 1997
*USS AFDB-6 A-G) Built by Mare Island NSY, scrapped 1976
*[[Los Alamos (AFDB-7)|USS ''Los Alamos'' (AFDB-7)]] A-G) Built by [[Chicago Bridge & Iron Company|Chicago Bridge]] in [[Morgan City, Louisiana]] sold to private in 1995
** Post WW2
*AFDB-8 ''Machinist'' Built by [[Seebeckwerft]] in [[Germany]] Sold to [[Guam]] in 1997
*AFDB-9(A-B) built by [[Sun Shipbuilding]] in [[Chester, Pennsylvania]] sold to private in 1985
==Medium Auxiliary Floating Dry Docks (ADFM)==
ADFM can lift from 6,800 to 8,000 tons and are from 528 to 622 feet long.
Change to Yard Floating Docks (YFD) after the war.
* USS AFDM-1 Chicago Bridge, YFD 3, scrapped 1986
* USS AFDM-2 Alabama DD, YFD 4, sold to private in 1999
* USS AFDM-3 Chicago Bridge, YFD 6, sold to private
* USS AFDM-4 Chicago Bridge, YFD 10 sold private in 1948
* USS ''Resourceful'' (AFDM-5) Everett-Pacific, YFD 21, sold private in 1999,
* USS ''Competent'' (AFDM-6) Everett-Pacific, YFD 62, sold private in 1997<ref>[http://bit.ly/2FdxUhN Global security AFDB Auxiliary Floating Dry Dock, Large]</ref>
* USS ''Sustain'' (AFDM-7) Everett-Pacific, YFD 63, leased to BAE Jacksonville in 1997
* USS ''Richland'' (AFDM-8) Chicago Bridge, YFD 64, scrapped in 2016
* USS AFDM-9 Chicago Bridge, YFD 65, sold private in 1989
* USS ''Resolute'' (AFDM-10) Chicago Bridge, YFD 66, destroyed 1947
* USS AFDM-11 Chicago Bridge, YFD 67, sold private in 2004
* USS AFDM-12 Kaiser Co. in Vancouver WA, YFD 68, scrapped in 1990
* USS AFDM-13 Columbia Const. in Vancouver WA, YFD 69, sold private in 1969
* USS ''Steadfast'' (AFDM-14) Pollock-Stockton in Stockton CA, YFD 70, sold private in 1969
==Medium Auxiliary Repair Docks (ARDM)==
ARDM can lift 5,200 tons and is 489 feet long.
* USS ''Oak Ridge'' (ARDM-1) by Pacific Bridge, Now US Coast Guard
* USS ''Almagordo'' (ARDM-2) by Pacific Bridge, Now in Ecuador
* USS ''Endurance'' (ARDM-3) by Pacific Bridge, Now in South America
* USS ''Shippingport'' (ARDM-4) by Bethlehem Steel, US Navy Active
* USS ''Arco'' (ARDM-5) by [[Todd Pacific Shipyards]] in Seattle WA, US Navy Active
==Small Auxiliary Floating Dry Docks (AFD)==
Auxiliary Floating Docks, Light (AFDL). Also called Auxiliary Floating Docks (AFD)
* USS ''Endeavor'' AFD-1 By Chicago Bridge
* USS AFD-2 By Chicago Bridge
* USS AFD-3 By Chicago Bridge
* USS AFD-4 By Chicago Bridge
* USS AFD-5 By Chicago Bridge
* USS ''Dynamic'' (AFD-6) By Chicago Bridge
* USS ''Ability'' (AFD-7) By Chicago Bridge
* USS AFD-8 By Chicago Bridge
* USS AFD-9 By Chicago Bridge
* USS AFD-10 By Chicago Bridge
* USS AFD-11 By Chicago Bridge
* USS AFD-12
* USS AFD-13
* USS AFD-14
* USS AFD-15
* USS AFD-16
* USS AFD-17
* USS AFD-18
* USS AFD-19 By George D. Auchter in Jacksonville FL
* USS AFD-20 By George D. Auchter
* USS AFD-21 By George D. Auchter
* USS AFD-22 By George D. Auchter
* USS ''Adept'' (AFD-23) By George D. Auchter
* USS AFD-24 By Doullot & Ewin in Mobile AL
* USS AFD-25 By Doullot & Ewin
* USS AFD-26 By Doullot & Ewin
* USS AFD-27 By Doullot & Ewin
* USS AFD-28 By Doullot & Ewin
* USS AFD-29 By Doullot & Ewin
* USS AFD-30 By Foundation Co.
* USS AFD-31 By Foundation Co.
* USS AFD-32 By Foundation Co.
* USS AFD-33 By Foundation Co.
==Auxiliary Repair Docks (ARD)==
Built by Pacific Bridge in Alameda CA. Lift 2,200 tons and 483 feet long.
* USS ARD-1 (Lift 2200 tons) (Built in 1933)
* USS ARD-2 sold in 1963
* USS ARD-3 sold 1999
* USS ARD-4 sold 1961
* USS ''Waterford'' (ARD-5) scrapped in 1992
* USS ARD-6 sold 1961
* USS ''West Milton'' (ARD-7) Scrapped in 1992
* USS ARD-8 sold 1961
* USS ARD-9 sold 1977
* USS ARD-10 sold
* USS ARD-11 sold 1977
* USS ARD-12 sold 1987
* USS ARD-13 sold 1977
* USS ARD-14 sold 1980
* USS ARD-15 sold 1971
* USS ARD-16 in Mobile AL
* USS ARD-17 sold 1971
* USS ''Endurance'' ARD-18 ARDM 3, laid up at Charleston NSY
* USS ''Oak Ridge'' ARD-19 ARDM 1, to [[United States Coast Guard]] in 2002
* USS ''White Sands'' ARD-20 sold 1974
* USS ARD-21 reserve
* USS ''Windsor'' (ARD-22) sold 1976
* USS ARD-23 sold 1992
* USS ARD-24 sold 1982
* USS ARD-25 sold 1973
* USS ''Alamogordo'' ARD-26 sold 2000
* USS ARD-27 Scrapped in 1974
* USS ARD-28 sold
* USS ''Arco'' ARD-29
* USS ''San Onfre'' (ARD-30)
* USS ARD-31 To [[US Air Force]] in 1974
* USS ARD-32 sold 1960
* USS ARD-33 (By Dravo Corp.) renamed AFDL 47
==Image gallery==
<gallery>
Image:USS Columbia (CL-56) docked in ABSD-1 at Espiritu Santo, in January 1944.jpg|[[USS Columbia (CL-56)|''Columbia'' (CL-56)]] docked in ''Artisan'' ABSD-1
Image:USS Columbia (CL-56) docks in ABSD-1 at Espiritu Santo, in January 1944.jpg|''Columbia'' docked upon ''Artisan''
Image:USS_Artisan_ABSD-1_04.jpg|AFDB-1 with [[USS West Virginia (BB-48)|''West Virginia'' (BB-48)]] high and dry in the dock
Image:USS Los Alamos (AFDB-7).JPEG|[[Los Alamos (AFDB-7)]]
</gallery>
==See also==
*[[Hughes Mining Barge]]
==References==
==External links==
*|}} – sections a, g,h,i, j, and e
*}} – section f
*|}} – IX-521 and IX-525
[[Category:Floating drydocks of the United States Navy]]
January 08, 2019 at 03:22PM
