POW/MIA DAY, September 19th. Fly your flag. Today, very few people know that during World War II, some submariners were taken prisoner. Robert (Bob) W. Lents, a member of the Twin Lakes Submarine Base USSVI, Mountain Home, Arkansas is a Charter Member of the US Submarine Veterans POW Survivors Association. He was aboard the USS Perch (SS-176). The USS Perch crew members - fifty-two were saved at the end of the war. Eight died in captivity.