| Acronym | Meaning |
| SML | Structure Mold Line |
| RCCP | Recorder And Communications Control Panel |
| OFM | Original Equipment Manufacturer |
| IPS | IRL Initiating Reference Letter |
| REV | Revision |
| EPS | ExPerimental Power Supply |
| FCP | Flight Correction Proposal |
| EAFB | Ellington Air Force Base |
| M | Mega |
| JCL | Job Control Language |