The ''Altair'' class destroyer tender was a class of three

United States 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 ...

destroyer tender A destroyer tender or destroyer depot ship is a type of depot ship: an auxiliary ship designed to provide maintenance support to a flotilla of destroyers or other small warships. The use of this class has faded from its peak in the first half of ...

s. These ships were built in

Skinner & Eddy The Skinner & Eddy Corporation, commonly known as Skinner & Eddy, was a Seattle, Washington-based shipbuilding corporation that existed from 1916 to 1923. The yard is notable for completing more ships for the United States war effort during Worl ...

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...

shipyard as commercial cargo ships during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, and acquired by the Navy when the shipyard closed in 1921. All three served through

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 ...

, and were decommissioned and scrapped shortly after the war.

''Altair''

SS ''Edisto'' was launched 10 May 1919, and commissioned as on 6 December 1921. She was converted to a destroyer tender at the

Brooklyn Navy Yard The Brooklyn Navy Yard (originally known as the New York Navy Yard) is a shipyard and industrial complex located in northwest Brooklyn in New York City, New York. The Navy Yard is located on the East River in Wallabout Bay, a semicircular bend ...

, and equipped with machine tools and shop equipment salvaged from dismantled war plants in the demobilization after World War I. She became the tender for destroyer squadron 12 in

San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...

on 17 December 1922. San Diego remained her home port until the

Battle Fleet The United States Battle Fleet or Battle Force was part of the organization of the United States Navy from 1922 to 1941. The General Order of 6 December 1922 organized the United States Fleet, with the Battle Fleet as the Pacific presence. This f ...

moved to

Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Re ...

in 1940. She arrived in

Bermuda ) , anthem = "God Save the King" , song_type = National song , song = " Hail to Bermuda" , image_map = , map_caption = , image_map2 = , mapsize2 = , map_caption2 = , subdivision_type = Sovereign state , subdivision_name = , e ...

on 11 November 1941 to support

Neutrality Patrol On September 3, 1939, the British and French declarations of war on Germany initiated the Battle of the Atlantic. The United States Navy Chief of Naval Operations (CNO) established a combined air and ship patrol of the United States Atlantic coa ...

destroyers, and was subsequently stationed in

Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmos ...

and

Guantánamo Bay Guantánamo Bay ( es, Bahía de Guantánamo) is a bay in Guantánamo Province at the southeastern end of Cuba. It is the largest harbor on the south side of the island and it is surrounded by steep hills which create an enclave that is cut off ...

through World War II. She was scrapped in 1947.

''Denebola''

SS ''Edgewood'' was launched 12 April 1919, and commissioned as on 28 November 1921. She was converted to a destroyer tender at the

Philadelphia Naval Shipyard The Philadelphia Naval Shipyard was an important naval shipyard of the United States for almost two centuries. Philadelphia's original navy yard, begun in 1776 on Front Street and Federal Street in what is now the Pennsport section of the cit ...

, and equipped with machine tools and shop equipment salvaged from dismantled war plants in the demobilization after World War I. After serving briefly in the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ...

, she was decommissioned at

Norfolk Naval Shipyard The Norfolk Naval Shipyard, often called the Norfolk Navy Yard and abbreviated as NNSY, is a U.S. Navy facility in Portsmouth, Virginia, for building, remodeling and repairing the Navy's ships. It is the oldest and largest industrial facility tha ...

from 1924 to 1940, and never received the 5-inch gun carried by her sisters. She was recommissioned to prepare destroyers for transfer to the

Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against F ...

Halifax Harbour Halifax Harbour is a large natural harbour on the Atlantic coast of Nova Scotia, Canada, located in the Halifax Regional Municipality. Halifax largely owes its existence to the harbour, being one of the largest and deepest ice-free natural harbo ...

for the

Destroyers for Bases Agreement The destroyers-for-bases deal was an agreement between the United States and the United Kingdom on September 2, 1940, according to which 50 , , and US Navy destroyers were transferred to the Royal Navy from the US Navy in exchange for land rights ...

. She was then stationed in

Casco Bay Casco Bay is an inlet of the Gulf of Maine on the southern coast of Maine, New England, United States. Its easternmost approach is Cape Small and its westernmost approach is Two Lights in Cape Elizabeth. The city of Portland sits along its south ...

tending

Mid-Ocean Escort Force Mid-Ocean Escort Force (MOEF) referred to the organisation of anti-submarine escorts for World War II trade convoys between Canada and Newfoundland, and the British Isles. The allocation of United States, British, and Canadian escorts to these co ...

destroyers until sent to the Mediterranean in July 1944 to tend destroyers at

Cagliari Cagliari (, also , , ; sc, Casteddu ; lat, Caralis) is an Italian municipality and the capital of the island of Sardinia, an autonomous region of Italy. Cagliari's Sardinian name ''Casteddu'' means ''castle''. It has about 155,000 inhabitant ...

for

Operation Dragoon Operation Dragoon (initially Operation Anvil) was the code name for the landing operation of the Allied invasion of Provence (Southern France) on 15August 1944. Despite initially designed to be executed in conjunction with Operation Overlord, th ...

. She was scrapped in 1950.

''Rigel''

SS ''Edgecombe'' was launched 23 November 1918, and commissioned as on 24 February 1922. She was converted to a destroyer tender equipped with machine tools and shop equipment salvaged from dismantled war plants in the demobilization after World War I. She was stationed at San Diego until reclassified as

repair ship A repair ship is a naval auxiliary ship designed to provide maintenance support to warships. Repair ships provide similar services to destroyer, submarine and seaplane tenders or depot ships, but may offer a broader range of repair capability incl ...

(AR-11) in April 1941, and only received four Bofors guns while her sisters carried six as destroyer tenders. She was lightly damaged in the

attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, j ...

, and remained at Pearl Harbor until April 1942. She was stationed in

Auckland Auckland (pronounced ) ( mi, Tāmaki Makaurau) is a large metropolitan city in the North Island of New Zealand. The List of New Zealand urban areas by population, most populous urban area in the country and the List of cities in Oceania by po ...

until November,

Espiritu Santo Espiritu Santo (, ; ) is the largest island in the nation of Vanuatu, with an area of and a population of around 40,000 according to the 2009 census. Geography The island belongs to the archipelago of the New Hebrides in the Pacific region o ...

until January 1943, and

Efate Efate (french: Éfaté) is an island in the Pacific Ocean which is part of the Shefa Province in Vanuatu. It is also known as Île Vate. Geography It is the most populous (approx. 66,000) island in Vanuatu. Efate's land area of makes it Vanua ...

through April 1943. She was then stationed in

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

providing repair services to the

VII Amphibious Force Expeditionary Strike Group SEVEN/Task Force 76 (Amphibious Force U.S. SEVENTH Fleet) is a United States Navy task force. It is part of the United States Seventh Fleet and the USN's only permanently forward-deployed expeditionary strike group ...

from 7 June 1943 to 10 January 1945; and spent the remainder of 1945 in the

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

. She was scrapped in 1950.

Sources

Notes

{{DEFAULTSORT:Altair Class Destroyer Tender Auxiliary ship classes of the United States Navy Auxiliary depot ship classes Ships built by Skinner & Eddy