190316-N-MQ631-0229 NORFOLK (March 16, 2019) Tug boats ferry the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75) from Naval Station Norfolk following a three-month availability period used to upgrade systems, conduct maintenance, and provide targeted training. Harry S. Truman is currently underway conducting an independent steaming exercise to increase crew proficiency and maintain operational readiness. (U.S. Navy photo by Mass Communication Specialist 3rd Class Maxwell Higgins/Released)