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DIRNSA
means Director, National Security Agency in
Military
Similar to DIRNSA
3M
- Maintenance and Materiel Management
3XMAG
- 3X Magnifier lens
4-W
- 4-Wire
407 RRD
- 407th Radio Research Detachment
442 RCT
- 442nd Regimental Combat Team
48 FW
- 48th Fighter Wing
4ID
- 4th Infantry Division
View all in Military