Tung “Alex” Ly, a computer scientist with the U.S. Army Engineer Research and Development Center’s Geospatial Research Laboratory adjusts equipment to be attached to a navigational buoy as part of the U.S. Army’s Digital Buoy system. A collaborative effort with the U.S. Army Corps of Engineers Army Geospatial Center, the Digital Buoy System has been selected as a 2023 R&D 100 Finalist in the IT/Electrical category. (U.S. Army Corps of Engineers photo)