It happens to all of us. Just when you least expect it—or precisely because you weren’t expecting it—you lose track of something valuable. Sometimes it’s your keys, other times it’s a favorite hat.

The gap between a 911 call and the discovery of an explosive raises questions about security at the base, experts say.

A suspicious package found near a high-profile military base. A threatening phone call. An anonymous video claiming credit. They were among the evidence that FBI agents and local cops had to untangle ...

AVIANO AIR BASE, Italy — Italian military experts successfully defused an unexploded bomb that’s kept a small area of the base closed off for about a month, according to local media and Italy’s ...

In 1958, a midair collision forced a B-47 pilot to drop a hydrogen bomb into shallow ocean waters near Tybee Island, Georgia. Despite extensive military searches and later investigations, the Mark 15 ...