Airman 1st Class Lucas Cupp, assistant dedicated crew chief assigned to 757th Maintenance Squadron Strike Aircraft Maintenance Unit, connects hydraulic lines to an F-15E Strike Eagle at Nellis Air Force Base, Nevada. Despite long hours, hazardous conditions and highly stressful situations, maintainers stay on top of their game to get the mission accomplished. (U.S. Air Force photo by Airman Bailee A. Darbasie)