Aviation Machinist's Mate 3rd Class Billy Markham, from Riverside, Calif., instructs Hospital Corpsman 3rd Class Christopher Harris, from Crestview, Fla., during a pre-flight inspection of an E-2C Hawkeye assigned to the Black Eagles of Airborne Early Warning Squadron (VAW) 113 aboard the aircraft carrier USS Ronald Reagan (CVN 76) on April 13, 2011.

The Ronald Reagan Carrier Strike Group is operating in the western Pacific Ocean.

U.S. Navy photo by Mass Communication Specialist 3rd Class Alexander Tidd