U.S. Air Force Chief Master Sgt. Trevor James, 14th Flying Training Wing command chief, laughs with attendees at a First Sergeant symposium as he shares his experiences from his time as an additional duty First Sergeant, Apr. 29, 2021, on Columbus Air Force Base, Miss. According to AFI36-2113, the first sergeant primarily supports the mission through interaction, support and management of all unit-assigned personnel and their families. (U.S. Air Force photo by Airman 1st Class Jessica Haynie)