ダウンフォール作戦
The SS "Mercer Victory" had the dangerous job of delivering goods for troops in the Pacific war during World War II. On SS "Mercer Victory" loaded with 6,000 pounds of goods and traveled to Okinawa for the Battle of Okinawa from 1 April until 22 June 1945.. "Simmons Victory" loaded up on supplies to prepare for the Operation Downfall the Invasion of Japan.