A U.S. Navy helicopter inadvertently dropped an aluminum case containing 200 bullets in Yokohama's Izumi Ward on Monday, according to Kanagawa Prefectural Police.
No one was injured in the incident, which occurred around 8:45 a.m.
The HH-60 Seahawk helicopter, which belongs to the aircraft carrier USS Kitty Hawk and is stationed at the U.S. Naval Air Facility in Atsugi, Kanagawa Prefecture, dropped the 17 10 25 cm box from an altitude of about 300 meters. The box weighed more than 10 kg and contained bullets on a belt for a 7.62-mm machinegun.
The U.S. Navy and Japanese police retrieved the box and 61 bullets in a parking lot and other locations.