Rebecca Capps, U.S. Army Corps of Engineers (USACE), Galveston District (SWG), Advanced Data Section physical scientist and drone operator, right, monitors data collected from the Z-boat, a remote-controlled hydrographic survey vessel, as Roger Stillick, Advanced Data Section drone operator, drives the Z-boat during a survey of a section of the Trinity River, Nov. 15, 2023. Stillick and Capps will transmit the data collected to engineers for use in designing new erosion control measures for this bend of the river to protect a nearby road.