The round, which would be compatible with existing Marine Corps and Army M2 52 81mm smooth-bore mortar systems, would have an effective range of up to 20,000 meters, or 12.4 miles.

U.S. Army Proving Ground (YPG) recently conducted a rate-of-fire test to verify that the Army's M1061 60mm mortar round could be used at the specified rate of fire without overheating the weapon ...

Seven U.S. Marines were killed and at least seven others were injured when a powerful 60mm mortar exploded in a tube during a training exercise in Nevada, the Marines said today.

In the 2000s, the US Army held that the CEP for a 120mm mortar round at maximum range was almost 450 feet. That means half of the shots fired at a target were less accurate than being 450 feet ...

MONROE (WWJ/AP) - Authorities say a mortar round believed to be from World War I that at first was thought to be a car part turned up in a Monroe County river during a construction project. Police ...

HONOLULU (AP) — A live mortar round was found in a vehicle at a gate to the sprawling Pearl Harbor military base, shutting down the base for hours and leading three people to be taken into ...

The mortar round exploded in its firing tube during the night-time exercise at the Hawthorne Army Depot, Brig. Gen. Jim Lukeman said at a news conference at Camp Lejeune in North Carolina.

For these reasons, YPG recently conducted a rate-of-fire test to verify that the Army's M1061 60mm mortar round could be used at the specified rate of fire without overheating the weapon system.