Red Teams or Red Cells are United States government terms for the National Security Co-ordination Team (NSCT). These teams or units are designed to test the effectiveness of American tactics or personnel. "Red Cell" was purported to be a U.S. Navy SEAL team (composed primarily of members of SEAL Team Six) otherwise known as OP-O6D which had been organized to attempt to infiltrate and otherwise test the security of U.S. military bases and other installations sensitive to U.S. security interests. The original Red Cell group was led by the former commander of SEAL Team Six (DEVGRU) Richard Marcinko until he was relieved and charged with various offenses including misappropriating funds.