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U.S. Air Force Senior Airman Sashakay T. Christie, an engineering assistant supervisor assigned to the 316th Civil Engineer Squadron, spray paints a coordinate marker during a “Winnin’ Like a Griffin” job immersion at Joint Base Andrews, Maryland, May 11, 2026. Christie marked these points to demonstrate how the 316th CES maintains the installation's Geographic Information System, a system that underpins all construction and planning decisions for the base. (U.S. Air Force photo by Airman Tylan Alicea)