T-Day means Effective Day Coincident With Presidential Declaration of A National Emergency and Authorization of Partial Mobilization in Military
Similar to T-Day
81 IR ILL - 81mm Mortar Infrared Illumination Round82AD - 82nd Airborne Division
8A - Minority-owned or other Disadvantaged Business
8AF - 8th Air Force
920RQG - 920th Rescue Group
94ID - 94th Infantry Division
96B - Intelligence Analyst Military Occupational Specialty code
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