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",
Rocket-propelled grenade World War II in the form of the RPG-2, which is similar in function to the Bazooka (due to the reloadability) and the Panzerfaust (due to an oversized grenade that protrudes outside of a smaller launch tube and the recoilless launch), though the rounds it fires lack a form of propulsion in addition to the launch charge (unlike the RPG-7 rounds, which also feature a sustainer motor, effectively making the rounds rocket propelled grenades). Soviet RPGs were used extensively during the Vietnam War (by the Vietnam People's Army and Vietcong), as well as during the Soviet invasion of Afghanistan by