Little Joe 1 (LJ-1) was a failed launch of a Little Joe by NASA, a solid fuel rocket that was designed for a Max Q abort and Launch Escape System test for Mercury capsule. The objective was to determine how well the escape rocket would function under the most severe dynamic loading conditions anticipated during a Mercury-Atlas launching. August 21, 1959 at 12:00 UTC · Launch Failure Little Joe — National Aeronautics and Space Administration, to Suborbital Launch Area 1, Wallops Flight Facility, Virginia, USA Program: Mercury Data: Launch Library 2, The Space Devs. Image via The Space Devs.