F4U. Rockets have attained paramount importance in World War II as probably the outstanding scientific contribution to the art of war-making since the advent of the plane and tank. Both Allied and Axis powers developed rocket type weapons. Comet-like in the wake of flame they throw off, another pair of self-propelled missiles spurt from the plane. Photograph received August 27, 1945. Official U.S. Navy Photograph, now in the collections of the National Archives.