| Acronym | Meaning |
| DRF | Data RequestForm |
| GDSD | Ground Data SYstems Division |
| GNCIS | GNGNCISGN&C Integration Simulator |
| FKB | Flight Display Keyboard |
| IPS | IRV Isotope Reentry Vehicle |
| SP-OPI | OPerations Planning And Integration Office (KSC |
| NET | PositivNet Positive Suction Pressure |
| MTCA | Monitor And Test Control Area |
| LSFE | Life Sciences Flight Experiment |
| ACR | Active Cavity Radiometer |