Astronaut Richards initiates thruster firing during SPIFEX operations

STS064-08-032 (10 Sept. 1994) --- At the commander's station on the space shuttle Discovery's forward flight deck, astronaut Richard N. Richards, STS-64 mission commander, initiates a thruster firing of the spacecraft during operations with the Shuttle Plume Impingement Flight Experiment (SPIFEX). Photo credit: NASA or National Aeronautics and Space Administration