Maj. Greg Zickefoose, 201st Airlift Squadron assistant director of operations, gives a pre-flight briefing before a Mission Readiness Airlift at Joint Base Andrews, Md., March 31, 2017. The squadron conducts Mission Readiness Airlifts, which are authorized by the National Guard Bureau for personnel and cargo requiring transportation to meet training requirements. They also provide aircrews with practical experience involving transporting loads, unfamiliar operating locations and other qualification requirements. (U.S. Air Force photo by Senior Airman Jordyn Fetter)