U.S. Navy Support Facility, Diego Garcia
Departments
| N00 | Executive Office | 315-370-4100 |
| N00R | Chapel | 315-370-4605 |
| N1 | Personnel | 315-370-3550 |
| N3 | Operations | 315-370-2225 |
| N31 | Port Operations | 315-370-4301 |
| N32 | Air Operations | 315-370-3300 |
| N33 | Supply | 315-370-4400 |
| N3AT | Security Operations | 315-370-4606 |
| N35 | Safety & Occupational Health | 315-370-4123 |
| N37 | Emergency Management | 315-370-2214 |
| N39 | Weapons | 315-370-3202 |
| N4 | Facilities and Environmental | 315-370-4500 |
| N6 | Information Technology | 315-370-4124 |
| N7 | Training and Readiness | 315-370-2200 |
| N8 | Financial Management | 315-370-4401 |
| N9 | Fleet and Family Readiness | 315-370-4421 |