The Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75) transits the Atlantic Ocean, Dec. 12, 2018.

The US military is practicing fending off enemy bombers attacking the homeland in a first-of-its-kind exercise

The ongoing exercise marks the first time four U.S. combatant commands and NORAD have come together to conduct homeland defense operations


More problems with Air Force's new tanker could put the squeeze on the Pentagon's refueling capabilities, TRANSCOM chief says

Protracted delays on Boeing's new KC-46 tanker could leave the Pentagon with a shortage of refueling capacity, the head of U.S. Transportation Command warned on Tuesday