| Acronym | Meaning |
 | CVS | Asw Aircraft Carrier |
 | SDF | Software Development File |
 | FEO | Field Engineering Office |
 | CPTR | Computer Program Test Report |
 | SWTRB | Surface Warfare Trainer Review Board |
 | PEC | Passive Equipment Cabinet |
 | NUSRL | Naval Underwater Sound Ref Lab |
 | CNI | Comm/nav/iff |
 | TTSA | Trainer Tactical Software Activity |
 | AU | Airborne Unit |