T-Day means Effective Day Coincident With Presidential Declaration of A National Emergency and Authorization of Partial Mobilization in Military
Similar to T-Day
4WW - The Fourth World War503 RCT - 503rd Regimental Combat Team
517 PRCT - 517th Parachute Regimental Combat Team
596 SSC - 596th Signal Support Company
5CCGP - Fifth Combat Communications Group
5M - Machinery, Manpower, Material, Measurement, and Method
6-DOF - Six Degree Of Freedom
View all in Military