| Acronym | Meaning |
| YPD | Floating Pile Driver (non Self-propelled)(misc) |
| AL | Aluminum |
| PTA | Proposed Technical Approach |
| MSFD | Millimeter Wave Seeker Feasibility Demo |
| PSID | Pounds Per Square Inch Differential |
| ASDS | Airborne Serial Data System |
| CAPE | Computer Aided Project Engineering |
| GCA | Ground Control Approach |
| SQL | Standard Query Language |
| LOIL | Oil Level |