170308-N-PO203-089 GROTON, Conn. (March 8, 2017) Bob Bassett, branch head of Navy Sea Systems Command, left, watches as Cleveland Heath, right, technical program manager with Navy Clothing and Textile Research Facility (NCTRF) and Machinist's Mate (Nuclear) 2nd Class Nicholas Lewis, assigned to the Los Angeles class-attack submarine USS Toledo (SSN 769), help Machinist's Mate (Nuclear) 2nd Class Cameron Sebastian don a prototype submarine steam suit ensemble during an orientation class held at Naval Submarine Base New London. (U.S. Navy photo by John F. Williams/Released)