FORT JACKSON, S.C. -- The M67 hand grenade is a simple ... Nobody was injured in the explosion, Pena said. "After the grenade went off, a cease fire was called," he said. "The medic on site ...

As Meil was explaining to a junior Marine how to prepare a M67 fragmentation grenade, the student accidentally released the munition’s safety lever, activating the grenade’s fuse, while ...

The title of this video—"This is how a grenade explosion looks in real life ... training grenades are not nearly as powerful as the real M67 fragmentation grenade. Now that you know how ...

That is how long it takes for an M67 hand grenade to explode after the last ... "I got down, and then I heard an explosion and thought, 'That doesn't sound right,'" Derry said.

Like a grenade, the point of the Firefly is to put an explosion somewhere immediately ... almost twice as much explosive as the standard M67 Fragmentation Grenade used by the U.S. military.

An M67 hand grenade was thrown into Ban Batu Mitrapap ... The grenade hit a tree branch and dropped into a ditch along the fence. A loud explosion followed, but nobody was hurt.