Medical scientists and the military are looking into whether Robert Card’s psychological collapse was linked to brain damage from his role as a grenade instructor.
The troops were on a refueling training mission when the aircraft crashed off the coast of Cyprus. The episode, which Defense Secretary Lloyd J. Austin III said was an accident, is under investigation.
The site was built for the military, but commercial sales are booming with little public accountability. Rounds have been bought by murderers, antigovernment groups and others.