| Acronym | Meaning |
| EM | Emergency |
| WP | Way Point |
| MIC | Management Information Center |
| SCL | Secondary Coolant Line |
| SSDD | Software System Design Document |
| LCD | LaunchCountdown |
| MDF | Mating/Demating Facilities |
| ML | PED Mobile Launcher Pedestal |
| ETD | Electrical Terminal Distributor |
| VLV | Valve |