151112-N-NU281-060 NORFOLK, Va. (Nov. 12, 2015) Interior Communications Electrician Seaman N. Tedesco, left, and Interior Communications Electrician 3rd Class R. Song perform maintenance on a public announcement system speaker on the flight deck of aircraft carrier USS Harry S. Truman (CVN 75). Truman is preparing for a future deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class J. Pacheco/Released)