| Acronym | Meaning |
| HNDLER | Handler |
| EMN | Engineering Management Network |
| GDA | Gimbal Drive Actuator/Assembly |
| H | EPAHigh Efficiency Particle Accumulator |
| EOS | Earth Observation Satellite |
| JSL | Jet Select Logic |
| CEQ | Council On Environmental Quality |
| SMPTRB | Shuttle Main Propulsion Test Requirement Board |
| HFS | Horizontal Flight Simulator |
| PIV | Peak Inverse Voltage |