| Acronym | Meaning |
| PF | Performance Factor |
| NCAR | N/A |
| GHB | Goddard Handbook |
| ITO | Independent Test Organization |
| ITPR | Infrared Temperature Profile Radiometer |
| APC | Ammonium Perchlorate |
| AIS | Accumulator Injection System |
| AVN | Aviation Model At NCEP |
| NCAB | Network Coordination And Advisory Board |
| ISO | International Standards Organization |