Airman 1st Class Matthew Gallagher, 28th MXS avionics test station technician, reviews his mobility folder with Master Sgt. Matthew Miller, 28th Maintenance Squadron unit deployment manager, at Ellsworth Air Force Base, S.D., March 4, 2015. UDMs ensure squadron personnel have necessary deployment items and inform leadership of the unit’s deployment status. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)