U.S. Navy Petty Officer 1st Class Lashandrea Young reviews the database logs of the Naval Tactical Command Support System network of computer systems aboard the aircraft carrier USS Harry S. Truman (CVN 75) in the Atlantic Ocean on Sept. 19, 2009. The Naval Tactical Command Support System controls logistical information throughout the ship during routine updates. The Truman is underway participating in Joint Task Force Exercise, a scenario-driven tactical exercise.