A sailor was arrested Tuesday morning on suspicion of possessing 20 military-grade grenades that had been stolen from a San Diego-based Navy destroyer; explosives that were later found abandoned on the side of a freeway in Arizona.

Michael D. Healy, an Army major general and highly decorated counterinsurgency expert who retired as the top-ranking Green Beret and a legend in the Special Forces, died April 14 at a hospital in Jacksonville, Fla. He was 91.

Serving in the U.S. Coast Guard Auxiliary from Ipswich was a duty Robert Leet took very seriously as a young adult during World War II, but he didn’t know until more than 70 years later that he had earned medals for his service.

Reforming the “military industrial complex” and the rest of the federal government cannot wait any longer. National security depends on efficiency and wise spending.

From my combat experiences in the SEAL Teams to navigating the murky waters of organizational change in my own companies, I have developed ten fail-safe principles for leading through change.

The new U.S. National Defense Strategy, unveiled by James Mattis Friday, officially pushes the Pentagon into confrontation with Russia and China.

The NDS identifies five threats: China, Russia, North Korea, Iran, terrorism. These are the same threats described at the end of last administration.

Boeing recently offered a first glimpse of its newest military aircraft, a large, stingray-shaped drone it hopes will win an intense Navy competition to build an uncrewed aircraft capable of landing on an aircraft carrier.

The Army is buying hundreds of ground robots that could bolster the way soldiers respond to nuclear, biological and chemical threats.