Vergeltungswaffen was a particular set of Wunderwaffen of Nazi Germany designed for long-range strategic bombing during World War II, particularly terror bombing and/or aerial bombing of cities. As early as a 28 June 1940 meeting of Army Ordnance chief Leebe and Walther von Brauchitsch, a terror bombing rationale had been advanced for the A4 (V-2 rocket) being developed. On September 29, 1943, Albert Speer publicly promised retribution against the mass bombing of German cities by a 'secret we… (More on Vergeltungswaffe)