Schnellbomber

A formation of Dornier Do 17Zs, circa 1940, when the type had become heavier and less speedy than the initial Do 17 design
The British de Havilland Mosquito could be considered the most effective Schnellbomber of the Second World War
IJNAF Type 96 Model 22 (航行する二二型) were used in the schnellbomber role during the Battle of Chongqing-Chengdu

A Schnellbomber (German; literally "fast bomber") is a bomber that relies upon speed to avoid enemy fighters, rather than relying on defensive armament and armor.