| Acronym | Meaning |
| RFT | Ready For Training (operational Milestone) |
| SAR | Safety Action Record |
| SCF | Scheduled Change Factor (milestone Modifier) |
| DIR | Direction |
| ATC | Mini-armored Troop Carrier (river/roadstead Craft) |
| DLR | Depot Level Repairable |
| HERO | Hazards Of Electromagnetic Radiation To Ordinance |
| ECR | Engineering Change Request |
| W/S | Weapon System |
| FAA | Federal Aviation Agency |