21K views · 441 reactions | An important part of protecting our...

Up in the morning at the break of day... Cadets at the USAF Officer Training School participate in a 9-week training program at Maxwell Air Force Base in Alabama to hit the ground as commissioned second lieutenants in the United States Air Force. | U.S. Department of Defense (DoD)

Clear out! United States Air Force Security Forces trainees assigned to the 343rd Training Squadron take the Enter-and-Clear course at Joint Base San Antonio - Camp Bullis. The exercise is designed to teach the trainees how to shoot, move, and communicate while traversing through buildings that are occupied with an active shooter. | U.S. Department of Defense (DoD)

270K views · 6.9K reactions | We have some news, being U.S. Air Force Security Forces doesn’t mean just checking IDs at the gate. | United States Air Force | Facebook

With President Bush aboard Air Force One on 9/11, director Jeff Cooperman looks at the important figures from that day and how "it was almost a tragedy of a different sort to see how difficult communication was on a day when there was so much at stake." 9/11: Inside Air Force One premieres Wednesday, September 11th at 9/8c on History. | HISTORY