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| English | Thesaurus |
| Communications Programs Unit | CPU (ANG) |
| Digital Services Unit | DSU |
| Financial Implementation Management Services Unit | FIMS |
| Joint Services Flail Unit | JSFU |
| Joint Services Signals Unit | JSSU |
| Naval Aviation Engineering Services Unit | NAESU (USA) |
| Program Acquisition Unit Cost | PAUC |
| RO unit | receive-only unit |
| Russian Settlement Co-ordinating Unit | RSCU (Lavrov) |