DIA/DHX means Defense Intelligence Agency, Directorate of Human Intelligence, Office of Document and Media Operations in
Military
Similar to DIA/DHX
36RQF - 36th Rescue Flight
38TMW - 38th Tactical Missile Wing
3ACC - 3A Central Control
3DS - Digital Decision Display System
3JR - Third Battalion Jamaica Regiment
3M - Maintenance and Materiel Management
3XMAG - 3X Magnifier lens
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