NACA research memorandum RM (series). (National Advisory Committee for Aeronautics.) [Processed. No longer confidential.]. L50I29a. Langley 9-inch supersonic tunnel test of several modifications of supersonic missile having tandem cruciform lifting surfaces: Three-component data results of models having ratios of wing span to tail span less than 1 [with list of references]; by Robert W. Rainey.