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",
Type 99 155 mm self-propelled howitzer howitzer. Secondary armament of the Type 99 consists of a roof-mounted 12.7-mm machine gun, fitted with a shield. Armor of the Type 99 provides protection against small arms fire and artillery shell splinters. Vehicle is powered by a diesel engine, developing 600 horsepower. A traveling lock is provided at the front of the hull. It folds back onto the glacis plate when not in use. The Type 99 self-propelled howitzer is resupplied from the Type 99 ammunition resupply vehicle. Type 99 155 mm self-propelled howitzer The is a self-propelled howitzer of the Japanese Ground Self-Defense Force, which was developed as