Mercury-Redstone BD was an uncrewed booster development flight in the U.S. Mercury program. It was launched on March 24, 1961 from Launch Complex 5 at Cape Canaveral, Florida. The mission used a boilerplate Mercury spacecraft and Redstone MRLV-5. March 24, 1961 at 17:30 UTC · Launch Successful Redstone MRLV — National Aeronautics and Space Administration, to Suborbital Launch Complex 5, Cape Canaveral SFS, FL, USA Program: Mercury Data: Launch Library 2, The Space Devs. Image via The Space Devs.