A U.S. Air Force C-130 Hercules crew chief assigned to the 910th Airlift Wing conducts pre-flight checks before departing Joint Base Langley-Eustis, Va., Oct. 18, 2017. The C-130 team based out of Youngstown Air Reserve Station, Ohio, flew Langley Air Force Base medical team Airmen to Aguadilla, Puerto Rico, in support of Hurricane Maria relief efforts. (U.S. Air Force photo by Tech. Sgt. Natasha Stannard)