OrdnanceR4MR4MR4MKindRocketCaliber55 mmService193119321933193419351936193719381939194019411942194319441945Germany · Western Europe≈ Mar 1945 – Apr 1945Aircraft 1193119321933193419351936193719381939194019411942194319441945Me 262 A-1a≈ 26 Jul 1944 – May 1945