During a three-day exercise, the U.S. Air Force assessed F-35 tactics and the viability of the fifth-generation fighter to provide access for friendly forces behind enemy lines in support of the B-2 and RQ-170.

U.S. Air Force Secretary Barbara Barrett officially swore in Gen. C.Q. Brown Aug. 6 as the 22nd Air Force chief of staff and the first African-American to hold the position.

A portion of the nearly 12,000 U.S. troops withdrawing from Germany may redeploy to Romania or another Eastern European locale, Defense Secretary Mark Esper says.