SBS | US Marines considers grounding entire Osprey fleet after deadly Australia crash SBS The US Marine Corps may ground its entire air fleet for a safety review following the crash of an Osprey tilt-rotor aircraft in Australia that killed three Marines, a defense official said Monday. Source: AFP. 12 MINS AGO ... Missing Marines declared dead after Australian Navy locates missing US aircraft Third victim of Osprey crash off Queensland coast identified as Navy searches for bodies US Osprey crash: Third missing marine identified |