JX日鉱日石エネルギー
The bombers arrived over target without opposition at 2230 hours on the night of August 14, and dropped a total of 7,360 100-kg and 4,687 50-kg bombs, with the final bomber departing the target area at 0330 on the morning of August 15. The bombs completely destroyed the oil refinery belonging to Nippon Oil (the current JX Nippon Oil &amp; Energy Co) and adjacent port facilities, and the resulting fire spread to the neighboring town. The estimated civilian casualties were more than 250 people killed, and an estimated 200 were severely injured.