(CNN) -- An airman armed with a handgun barricaded himself inside a building at Schriever Air Force Base in Colorado Springs, Colorado, base...

WASHINGTON — The Pentagon on Thursday held a successful test flight of a flying bomb that travels faster than the speed of sound and will gi...

Islamabad, Pakistan (CNN) -- A suspected U.S. drone strike in Pakistan's tribal region killed six suspected militants on Thursday, intel...

Canberra, Australia (CNN ) -- The United States announced an agreement with Australia Wednesday that will expand military cooperation betwee...