S-Day means Day The President Authorizes Selective Reserve Call-Up in Military
Similar to S-Day
7 WVI - 7th West Virginia Infantry Regiment75 RGR - 75th Ranger Regiment
772EOD - 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
View all in Military