One Marine dead, 21 others hurt in “hard landing mishap” in Hawaii

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(CNN) — One Marine died Sunday when an MV-22 Osprey experienced a “hard landing mishap” at Bellows Air Force Station in Hawaii.

Twenty-one other Marines were also on board the military aircraft. They were taken to area hospitals for assessment and treatment, according to a statement from the Marine Corps.

It said the Marines were conducting “routine sustainment training” at the time.

The cause of the incident was not immediately clear. An investigation is under way.