Viewed in this 1954 photograph is the NACA High Speed Flight Research Station's D-558-II #2 (144), an all rocket powered Skyrocket. Like the X-I, the D-558-II had a fuselage shaped like a .50 caliber bullet.
E-1441
Viewed in this 1954 photograph is the NACA High Speed Flight Research Station’s D-558-II #2 (144), an all rocket powered Skyrocket. Like the X-1, the D-558-II had a fuselage shaped like a .50 caliber bullet. Unlike both the X-1 and the D-558-I, it had swept wings. To accommodate them required a completely different design than that used for the earlier straight-wing D-558-I.1954NASA Photo› Read Project Description