Nike T40 T55

Nike T40 T55 is the name of a three-stage experimental rocket , consisting of a Nike launch stage, a T40 upper stage and a T-55 upper stage. The Nike T40 T55 has a starting thrust of 217 kN and a length of 9 meters. It was used only twice by the National Advisory Committee for Aeronautics (NACA) for re-entry attempts in 1956 and 1957 .