| Acronym | Meaning |
| YDT | Diving Tender (non Self-propelled)(misc) |
| PDES | Product Data Evolvement System |
| REC | Receiver |
| HMD | Helmet Mounted Display |
| CAFED | Computer-aided File Of Engineering Drawings |
| TDR | Time Domaine Reflectometer |
| BAFO | Best And Final Offer |
| RTR | Receiver-transmitter |
| TIC | Technical Information Center |
| MVAR | Magnetic Variation |