O P Tactical figured since we were getting a real warrior as Secretary of Defense, they ought to celebrate the event by offering a War Department T-shirt, complete with the original logo. For those of you unfamiliar, the current Department of Defense (Initially named the National Military Establishment) was created 70 years ago in 1947, during the post-WW II reorganization of the National Defense Act. Before that, there was a War Department and a Navy Department.