Lt. Col. Robert Green, U.S. Army Corps of Engineers Nashville District commander, left, presents a commander’s coin to Conservation Biologist Mitchell Crockarell of Cheatham Lake as Capt. Matthew Gursky, right, looks on May 5, 2025, in Nashville, Tenn. Crockarell was recognized for his work with the Visitation Estimation Reporting System Coach Assist and Train Team, supporting accurate visitor data reporting across Corps sites. (USACE Photo by Noe Gonzalez)