Propeller Power Navy Petty Officer 3rd Class Curt Hanson performs a preflight inspection on an MH-60S Seahawk helicopter before an exercise on Andersen Air Force Base, Guam, Dec. 29, 2015. U.S. Navy photo by Chief Petty Officer Joan E. Jennings SHARE: Download: Full Size (1.23 MB) Credit: MCC Joan E. Jennings VIRIN: 151229-D-LP538-043.JPG Photo Gallery