The U.S. military’s mountain bunker along Colorado’s Front Range, built during the Cold War to survive a Soviet nuclear attack, now must withstand scrutiny by lawmakers who see it as a costly relic.

The hefty 57-foot, 6-inch wingspan close-support aircraft known as the "Warthog" has been in service since the 1970s, and was used in Iraq and Afghanistan.

As Chinese and Russian hypersonic missile programs zoom ahead, U.S. defenses are lagging.

The State Department has approved the possible FMS, worth a staggering $3.64 billion, which will provide the Japan Air Self ...

The US State Department has given its approval for a potential foreign military sale to Japan, involving AMRAAM and associated equipment.