Huan Tran, a member of the geospatial section for the U.S. Army Corps of Engineers Pittsburgh District, flies a Small Unmanned Aircraft System (SUAS) to capture video footage at the Emsworth Locks and Dams in Pittsburgh, Aug. 27, 2021. The geospatial section also uses their SUAS to produce orthographic photos for mapping and to collect videos for virtual walkthroughs and assist with engineering plans. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)