Aviation Machinist's Mate 3rd Class James Barrett, assigned to Fleet Logistics Support Squadron (VRC) 30, directs a C-2 Greyhound during preflight checks at Naval Air Station North Island. The mission of VRC 30 is to accomplish carrier on-board deliveries transporting high priority parts, general cargo, mail and passengers onto aircraft carriers. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew J. Ulm/Released)