UMK-3 means Tactical Environmental Support System / Shipboard Meteorological and Oceanographic Observing System in
Military
Similar to UMK-3
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
View all in Military