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",
Western Australian emergency of March 1944 raid alert on 10 March had given Perth's population a reminder of the potential threat posed by "hit and run" raids, but was highly critical of the lack of information regarding the cause of the alert, especially in light of the rumours sweeping the city. The "Daily News" expressed similar views. The rationale for reinforcing Western Australia and the air raid alarms in March 1944 was not revealed by the Australian Government until 17 August 1945, two days after the end of the war. Western Australian emergency of March 1944 During March 1944, the Allies of World War II rapidly