The United States Marine Corps and Australian authorities have confirmed the death of three U.S. Marines and serious injuries of five others following the crash of a V-22 Osprey aircraft in Australia during regular military drills.

The Melville Island crash, near Darwin off Australia’s Northern Territory coast, occurred at approximately 9:30 a.m. local time on  Sunday, as reported by the Marine Rotational Force – Darwin. The critically injured Marines were transported to the Royal Darwin Hospital for medical attention.