USS YFD-4
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USS ''AFDM-2'', (former ''YFD-4''), is an medium auxiliary floating drydock built in
Mobile, Alabama Mobile ( , ) is a city and the county seat of Mobile County, Alabama, United States. The population within the city limits was 187,041 at the 2020 United States census, 2020 census, down from 195,111 at the 2010 United States census, 2010 cens ...
by the
Alabama Drydock and Shipbuilding Company The Alabama Drydock and Shipbuilding Company (ADDSCO) located in Mobile, Alabama, was one of the largest marine production facilities in the United States of America during the 20th century. It began operation in 1917, and expanded dramaticall ...
for the U.S. Navy. Originally named USS ''YFD-4'', Yard Floating Dock-4, she operated by
Todd Shipyards Todd or Todds may refer to: Places ;Australia: * Todd River, an ephemeral river ;United States: * Todd Valley, California, also known as Todd, an unincorporated community * Todd, Missouri, a ghost town * Todd, North Carolina, an unincorporated ...
at
New Orleans New Orleans ( , ,New Orleans
Merriam-Webster.
; french: La Nouvelle-Orléans , es, Nuev ...
,
Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...
for the repair of US ships during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. ''YFD-4'' was renamed an Auxiliary Floating Dock Medium ''AFDM-2'' in 1945 after the war.


Design

''AFDM-2'' was tall, wide, length of (all three section connected), and has a displacement of 6,360 tons. AFDM-2 could lift capacity 9,000 tons and had two service
cranes Crane or cranes may refer to: Common meanings * Crane (bird), a large, long-necked bird * Crane (machine), industrial machinery for lifting ** Crane (rail), a crane suited for use on railroads People and fictional characters * Crane (surname), ...
to lift material and parts for removing damage parts and the installation of new parts. The floating drydock can repair ships up to a beam of , as she is 90 feet wide between the wing walls. Ballast pontoons
tanks A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engine ...
are flooded with water to submerge or pumped dry to raise the ship. Submerged she can load a ship with a draft up to .Building the Navy's Bases in World War II, History of the Bureau of Yards and Docks and the Civil Engineer Corps 1940–1946 Chapter IX, Floating Drydocks
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History

It was built by
Alabama Drydock and Shipbuilding Company The Alabama Drydock and Shipbuilding Company (ADDSCO) located in Mobile, Alabama, was one of the largest marine production facilities in the United States of America during the 20th century. It began operation in 1917, and expanded dramaticall ...
in Mobile,
Alabama (We dare defend our rights) , anthem = "Alabama (state song), Alabama" , image_map = Alabama in United States.svg , seat = Montgomery, Alabama, Montgomery , LargestCity = Huntsville, Alabama, Huntsville , LargestCounty = Baldwin County, Al ...
. she was
laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...
in January 1942 and commissioned on 1 October 1943, right after her delivery to the Navy.
Hurricane Betsy Hurricane Betsy was an intense and destructive tropical cyclone that brought widespread damage to areas of Florida and the central United States Gulf Coast in September 1965. The storm's erratic nature, coupled with its intensity and minim ...
, Category 4, sank and damaged ''AFDM-2'' on 9 September 1965. USS ''AFDM-2'' was at Todd Shipyards on the west side of the
Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...
in Algiers, New Orleans. ''AFDM-2'' had the water pumped out of her pontoon tanks and was raised for repair. The salvage ships MS ''Cable'' and and , an ''Achomawi-class''
fleet ocean tug A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or should not move under their own power, su ...
, helped in the recovery of ''AFDM-2''. Due to the large size of ''AFDM-2'' two
rescue and salvage ship Rescue and salvage ships (hull classification symbol ARS) are a type of military salvage tug. They are tasked with coming to the aid of stricken vessels. Their general mission capabilities include combat salvage, lifting, towing, retraction of grou ...
s, and arrived with three special support
barge Barge nowadays generally refers to a flat-bottomed inland waterway vessel which does not have its own means of mechanical propulsion. The first modern barges were pulled by tugs, but nowadays most are pushed by pusher boats, or other vessels ...
s to help in the salvage. Land-based
winch A winch is a mechanical device that is used to pull in (wind up) or let out (wind out) or otherwise adjust the tension of a rope or wire rope (also called "cable" or "wire cable"). In its simplest form, it consists of a spool (or drum) attache ...
es were also used in the recovery. On 25 August 1966 tugs returned ''AFDM-2'' to Todd Shipyards, eleven months after her sinking. Repairs where completed and she was put back in service.
Divers Diver or divers may refer to: *Diving (sport), the sport of performing acrobatics while jumping or falling into water *Practitioner of underwater diving, including: **scuba diving, **freediving, **surface-supplied diving, **saturation diving, a ...
had to repair more than 100 holes in ''AFDM-2'' to float her again. On 16 May 1995 she was laid up in the
National Defense Reserve Fleet The National Defense Reserve Fleet (NDRF) consists of ships of the United States of America, mostly merchant vessels, that have been "mothballed" but can be activated within 20 to 120 days to provide shipping during national military emergencies ...
,
Beaumont, Texas Beaumont is a coastal city in the U.S. state of Texas. It is the county seat, seat of government of Jefferson County, Texas, Jefferson County, within the Beaumont–Port Arthur, Texas, Port Arthur Beaumont–Port Arthur metropolitan area, metropo ...
. On 11 February 1999 she was reactivated and transferred to the Government of the
Dominican Republic The Dominican Republic ( ; es, República Dominicana, ) is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares wit ...
. She was later sold to Gulf Copper & Manufacturing Corpation at
Port Arthur, Texas Port Arthur is a city in Jefferson County within the Beaumont–Port Arthur metropolitan area of the U.S. state of Texas. A small, uninhabited portion extends into Orange County; it is east of Houston. The largest oil refinery in the United Sta ...
and renamed ''Mr. Morris''. In 2013 , a landing ship, tank, now a
museum ship A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small numb ...
, was repaired in ''AFDM-2''. On 17 December 2021, USS ''Orleck'' (DD-886) arrived in Port Arthur to be repaired in ''AFDM-2''.


Awards

*
American Campaign Medal The American Campaign Medal is a military award of the United States Armed Forces which was first created on November 6, 1942, by issued by President Franklin D. Roosevelt. The medal was intended to recognize those military members who had perfo ...
* Asiatic-Pacific Campaign Medal * World War II Victory Medal


See also

*
Dry dock A dry dock (sometimes drydock or dry-dock) is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform. Dry docks are used for the construction, maintenance, ...
*
Hughes Mining Barge The ''Hughes Mining Barge'', or ''HMB-1'', is a submersible barge about 99 m (324 ft) long, 32 m (106 ft) wide, and more than 27 m (90 ft) tall. The ''HMB-1'' was originally developed as part of Project Azorian (mor ...
* Semi-submersible naval vessel *
List of auxiliaries of the United States Navy This is a list of auxiliaries of the United States Navy. It covers the various types of ships that support the frontline combat vessels of the United States Navy. Ship status is indicated as either currently active (including ready reserve), ...


References


External links


photo USS LST-325 a Landing Ship, Tank in AFDM-2 – Mr. Morris

photo USS LST-325 high and dry in AFDM-2 – Mr. Morris

photo USS LST-325 high and dry in AFDM-2 – Mr. Morris
{{DEFAULTSORT:AFDM-2, USS World War II auxiliary ships of the United States Floating drydocks of the United States Navy 1943 ships