Senior Airman Brianna Cook, 37th Flying Training Squadron aviation resource manager, checks pilots’ currencies (flight documents) before a training mission Jan. 30, 2019, on Columbus Air Force Base, Mississippi. Aviation resource management specialist Airmen are commonly referred to as ‘1Charlies’ based on the Air Force specialty code - 1C0X2. (U.S. Air Force photo by Airman 1st Class Keith Holcomb)