Andrew Tilghman

The Rand researchers concluded that the assessment tools should be limited to personnel development programs.

Pentagon officials released a map Monday showing Islamic State militants have lost about 25 percent to 30 percent of the territory they held at their peak of power last August.

A wholesale upgrade of military personnel systems could have many cultural implications.

The specter of transforming U.S. Cyber Command into its own service branch raises a slew of follow-on questions, expert say.

U.S. Central Command plans to fly one daily tanker mission to support the allied aircraft, but the tanker will not fly into Yemeni air space.

Brad Carson, 48, will serve as acting undersecretary of defense for personnel and readiness, the primary official overseeing military personnel and compensation policies.

Defense Secretary Ash Carter proposes an overhaul of promotion, retention and recruiting rules.

Carter suggested breaking with key traditions that define military careers and culture.

More than 20,000 fighters with Iranian-backed Shiite militias have withdrawn from the 3-week-old battle to oust Islamic State militants from the Iraqi city of Tikrit.