Airman 1st Class Logan Winningham, an aircraft structural maintainer with the 1st Special Operations Maintenance Squadron, sprays a rain erosion prevention paint onto a CV-22 Osprey propeller at Hurlburt Field, Fla., March 29, 2017. Rain erosion prevention paint gives the propellers an extra layer of protection against environmental exposure. (U.S. Air Force photo by Airman 1st Class Isaac O. Guest IV)