Japanese cruiser Sakawa
was the last of four light cruisers built for the Imperial Japanese Navy (IJN) during World War II. Fuel shortages crippled the IJN's operations by the time the ship was completed in late 1944 and she never left Japanese waters. After the war, Sakawa was used to ferry Japanese troops home until she was selected in early 1946 to be expended for nuclear weapon tests during Operation Crossroads. The ship was used as a target during the first bomb test on 1 July and sank the following day. Design and description The Agano-class ships were intended to replace the obsolete light cruisers built in the 1910s and 1920s as flagships of destroyer flotillas. The ships measured long overall with a beam of and had a draft of . They displaced at standard load and at deep load. Sakawa had a crew of 55 officers and 750 enlisted men; assignment as a flagship added 3 officers and 16 more sailors. The Agano class had four geared steam turbine sets, each driving a single propeller shaft, using steam provided by six Kampon Ro Gō water-tube boilers. The turbines were designed to produce a total of and give the ships a speed of