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Secretary of the Air Force Deborah Lee James, and Lt. Col. Dick Cole announce the name of the B-21 Stealth

Military.com's Brendan McGarry reports from AFA 2016 on the Air Force's naming of the B-21 Stealth Bomber in development by

Raytheon shows off its Cyber Hardening software, which helps protect electronics and weapons systems from hackers, at the annual AFA

Twelve B-52 Bombers from the 5th Bomb Wing at Minot Air Force Base conduct a readiness exercise to test the

A Libyan Air Force MiG-21 passes very low over an airbase.

President Truman appointed the first secretary of defense on Sept. 18, 1947. Here's a look at the 24 secretaries who

U.S Army Soldiers conduct an artillery fire mission using M777 Howitzers in northern Iraq to support the Iraqi Army in

U.S. service members from the 83rd Expeditionary Rescue Squadron fly UH-60 Black Hawks to a range in Afghanistan to extract

Retired Air Force Colonel Dale Cook visits Tyndall AFB to be reunited with the T-38 Thunderbird he flew for more

U.S. Marines use an M1 Abrams Armored Tank to conduct a Large Scale Exercise (LSE) on Marine Air Ground Command