Little Joe 1A (LJ-1A) was an uncrewed rocket launched as part of NASA's Mercury program on November 4, 1959.

[2] A signal was sent to the explosive bolts to separate the spacecraft from the launch vehicle.

[2] The motor was ignited, but it took a number of seconds to build up thrust, and thus the abort maneuver was not accomplished at the desired dynamic pressure.

Other events from launch through recovery occurred without incident.

This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.