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",
V-1 flying bomb facilities records refer to flying-bomb stores at "Bois de Cassan" (bombed August 2–4, 1944), "Forêt de Nieppe" (bombed July 24,25, 31, August 3,4, 5,6, 1944 and "Trossy St. Maximin" (bombed August 3–4, 1944) V-1 launching sites in France were located in nine general areas - four of which had the ramps aligned toward London, and the remainder toward Brighton, Dover, Newhaven, Hastings, Southampton, Manchester, Portsmouth, Bristol, and Plymouth. The sites on the Cherbourg peninsula targeting Bristol and Plymouth were captured before being used, and eventually launching ramps were moved to Holland to target Antwerp (first launched on 3 March 1945 from