Limited edition flown patch carried aboard the eighth test flight of the McDonnell Douglas DC-X, or Delta Clipper Experimental Vehicle, which launched from the White Sands Missile Range in New Mexico on July 7, 1995. The 5.5 x 3.5 patch, numbered 67/73, is affixed to an 8.5 x 11 certificate of authenticity, which notes: "The flight achieved its goal of maneuvering the DC-X in a way that simulated a returning single stage to orbit vehicle executing a vertical landing." Sealed and in fine condition. Accompanied by a signed letter of authenticity from Major Dale E. Shell, the DC-X Flight Test Manager, who states that the "patch was flown aboard flight 8 of the Delta Clipper Experimental (DC-X) vehicle…(date and time is annotated on the back of the patch)."