Northrop wins $7 billion Air Force contract for more B-2 sustainment, upgrades
A US. Air Force B-2 Spirt assigned to the 509th Bomb Wing, Whiteman Air Force Base receives fuel from a U.S. Air Force KC-135 assigned to the 185th Air Refueling Wing, Iowa Air National Guard in the sky over northwest Missouri on August 29, 2018. (U.S. Air …