Lost on 22 APR 1943 near Penang, with no immediate loss of life.
USS GRENADIER was on her sixth war patrol off Malay Peninsula. While stalking a convoy, she was spotted by a Japanese aircraft and immediately dove. While passing 130 feet, USS GRENADIER was bombed, causing severe damage.
She was lodged on the bottom at 270 feet and the crew spent hours fighting fires and flooding. When she surfaced, she had no propulsion and was attacked by another Japanase aircraft. USS GRENADIER succeeded in shooting down the secord aircraft, however, she remained heavily damaged. When enemy ships arrived, the CO ordered abandoned ship and scuttled the boat.
Of the sixty-one officers and crew members taken prisoner, fifty-seven survived the war.