V-2 rocket offensive began on 8 September 1944, when "Lehr- und Versuchsbatterie No. 444" () launched a single rocket guided by a radio beam directed at Paris. Wreckage of combat V-2s occasionally contained the transponder for velocity and fuel cutoff. The painting of the operational V-2s was mostly a ragged-edged pattern with several variations, but at the end of the war a plain olive green rocket also appeared. During tests, the rocket was painted in a characteristic black-and-white chessboard pattern, which aided in determining if the rocket was spinning around its longitudinal axis. The original German designation of the rocket was "V2",
HMS Rocket (H92) in position 40°52'N, 18°54'W, by depth charges. Arriving in the Indian Ocean in January 1944, "Rocket" participated in the shelling of Sabang (25 July 1944) and of the Andaman Islands (February and March 1945). In 1946 "Rocket" was at Chatham and between 1946 and 1948 she was used as an air target ship at Rosyth. In 1949 she was placed into reserve at Portsmouth. Between July 1949 and 1951 she was converted at Devonport Dockyard into a Type 15 fast anti-submarine frigate, with the new pennant number F193. On 18 May 1951 she was re-commissioned for the 3rd Training Squadron,