U.S. Air Force Master Sgt. Levi Denham, a WC-130J Hercules aircraft weather reconnaissance loadmaster assigned to the 53rd Reconnaissance Squadron, performs pre-engine start-up inspections in St. Croix, Virgin Islands, on Sept. 16, 2010. Known as Hurricane Hunters the 53rd Weather Reconnaissance Squadron's mission is to provide surveillance of tropical storms and hurricanes in the Atlantic Ocean, the Caribbean Sea, the Gulf of Mexico and the central Pacific Ocean for the National Hurricane Center in Miami.