Daniel Valenzuela, San Angelo city manager, and Col. Christopher Harris, 17th Mission Support Group Commander, sign a memorandum of understanding at the Fire Truck maintence building on Goodfellow Air Force Base, Texas, July 8, 2016. This is the 13th such agreement between Goodfellow and the City of San Angelo. (U.S. Air Force photo by Airman 1st Class Randall Moose/Released)