OPFAC means Operations or Operational Facility in Military
Similar to OPFAC
75 RGR - 75th Ranger Regiment772EOD - 722nd Ordnance Company
7CAV - 7th Cavalry Regiment the Michigan Seventh
81 IR ILL - 81mm Mortar Infrared Illumination Round
82AD - 82nd Airborne Division
8A - Minority-owned or other Disadvantaged Business
8AF - 8th Air Force
View all in Military