"US Military Grounds Osprey Fleet After Deadly Crash, Investigates Potential Materiel Failure"

The US military has grounded its entire fleet of Osprey V-22 helicopters following a crash off the coast of Japan that resulted in the deaths of eight Air Force Special Operations Command service members. The grounding comes after a preliminary investigation indicated a potential materiel failure as the cause of the crash. This incident has raised concerns about the safety of the Osprey, which has been involved in multiple fatal accidents. Japan has also grounded its fleet of Ospreys. The duration of the grounding is unknown and will depend on the investigation's findings and recommendations.