From right, Rebecca Capps, U.S. Army Corps of Engineers (USACE), Galveston District (SWG), physical scientist and drone operator, holds a Skydio X2D quadcopter and Roger Stillick, SWG drone operator, holds a SenseFly eBee TAC, outside the Jadwin Building, Nov. 20, 2023. Capps and Stillick are using Unmanned Aircraft Systems (UAS) and Unmanned Survey Vessels to complete surveys of areas which are hard to reach for larger survey vessels.