Senior Chief Petty Officer Daniel Gray performs a preflight inspection on the tail rotor assembly. U.S. Navy Senior Chief Petty Officer Daniel Gray, assigned to Helicopter Anti-Submarine Squadron 10, performs a preflight inspection on the tail rotor assembly of an SH-60F Seahawk helicopter on the flight line at Naval Air Station North Island, Calif., prior to a torpedo exercise on June 9, 2009. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 682306-I-SGJ11-748.jpg Photo Gallery