MDCN means Military Diplomatic Clearance in
Military
Similar to MDCN
3-D - Three-Dimensional
3-DOF - Three Degree Of Freedom
30 FAR - 30th Field Artillery Regiment
36RQF - 36th Rescue Flight
38TMW - 38th Tactical Missile Wing
3ACC - 3A Central Control
3DS - Digital Decision Display System
View all in Military