U.S. Air Force Col. Daniel Lasica, 20th Fighter Wing commander, presents Maria Carina Tabalanza, 20th Component Maintenance Squadron executive assistant, with a certificate of appreciation at Shaw Air Force Base, S.C., April 13, 2017. Tabalanza was recognized for her efforts as a volunteer and 20th Fighter Wing Chapel Sunday school teacher. (U.S. Air Force photo by Airman 1st Class Kathryn R.C. Reaves)