Hamul-class destroyer tenderThe Hamul class were a class of destroyer tenders that were initially constructed as attack cargo ships for the United States Navy during World War II. They operated from 1941 to 1969.Design and descriptionInitially both ships were commercial cargo ships of the C3 type taken over by the United States Navy during World War II and converted to attack cargo ships. The ships measured long between perpendiculars and overall with a beam of and a draft of. As attack cargo ships, they had a displacement of. After their conversion to destroyer tenders, they had a light displacement of and measured at full load. They were powered by steam generated from two Foster Wheeler boilers turning geared turbines creating. This gave them a maximum speed of. The ships were armed with a single [5"/38 caliber gun|]/38-caliber gun, four single-mounted [3"/50 caliber gun|]/50 cal. guns and four guns. They had a complement of 857 officers and enlisted personnel.