Helicopter Sea Combat Squadron 25 maintainers prepare to fuel a MH-60S Knighthawk helicopter May 30, 2013, on Andersen Air Force Base, Guam. Currently, HSC-25 has two maintenance shifts to provide around-the-clock support for search and rescue missions, firefighting and medical evacuations along with a multitude of other military operations. (U.S. Air Force photo by Airman 1st Class Mariah Haddenham/Released)