[2] Franklin D. Roosevelt approved the construction of tenders and repair ships in May 1943, it was then recommended by the Auxiliary Vessels Board on 11 June later that year, the construction of barracks ships.

Moreover, on their top deck, 4 Oerlikon 20 mm cannons were placed together with 2 guns and their platforms located on each side of the ship.

[2][3] Since 2011, only 3 ships have been in service at Naval Station San Diego, Mayport and Norfolk.

[1] Notably, APL-24 served as a headquarter for the Suisun Bay Reserve Fleet for the Maritime Administration, since 23 May 1962.

[4] On 7 June 1946, APL-33 became the only ship of the class to be intentionally sunk because after grounding in Okinawa, caused by a typhoon.