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",
Timeline of the war in Donbass (January–March 2015) Debaltseve and east of Mariupol. Near Donetsk, the villages of Avdiivka, Krasnohorivka, Pisky and Opytne were hit by mortar rounds. Militants attempted an assault on Ukrainian redoubts around Avdiivka, but were beaten off by the defenders. Near Debaltseve, the village of Mironovske was the target of mortar fire, and rocket propelled grenades fell on Ukrainian positions near Troitske. The Ukrainian army in Shyrokyne was harassed with rocket propelled grenades and mortars. One Ukrainian soldier was killed in action and other four wounded over the last 24 hours. The militias launched 32 attacks on Ukrainian positions overnight using small arms, rocket