Lt. Col. Robert Green, U.S. Army Corps of Engineers Nashville District commander, left, presents a commander’s coin to Park Ranger Giovanny Espinoza of Old Hickory Lake May 5, 2025, in Nashville, Tenn. Espinoza was recognized for developing a bilingual public service announcement that promoted water safety and life jacket use at J. Percy Priest Lake. (USACE Photo by Noe Gonzalez)