| Acronym | Definitions |
|---|---|
| NRL-SSC | 1 |
| NRL-V6 | 1 |
| NRM | 7 |
| NRMI | 2 |
| NRMRL | 2 |
| NRN | 3 |
| NRO | 4 |
| NROSS | 1 |
| NROTC | 1 |
| NRP | 10 |
| NRPA | 2 |
| NRPB | 3 |
| NRPC | 2 |
| NRPS | 2 |
| NRR | 6 |
| NRRC | 1 |
| NRRPT | 1 |
| NRS | 11 |
| NRSA | 3 |
| NRSC | 1 |
| NRSTS | 1 |
| NRT | 16 |
| NRTL | 2 |
| NRTS | 2 |
| NRU | 2 |
| NRV | 2 |
| NRW | 3 |
| NRWA | 1 |
| NRX | 2 |
| NRY | 2 |
(1321 — 1350 of 1623)