Fort Worth District Biographies

Marlon S. Ringo

Press Operations — Fri, 31 Jul 2026 16:50:00 GMT

Col. Marlon S. Ringo assumed command of the U.S. Army Corps of Engineers, Fort Worth District, on July 31, 2026. A native of Northern Virginia, Col. Ringo received his commission through the Reserve Officers' Training Corps (ROTC). He holds a Bachelor of Science in Electrical Engineering from Hampton University, a Master of Science in Environmental Engineering from the University of Missouri–Rolla, a Master of Military Art and Science from the School of Advanced Military Studies (SAMS), and a Master of Arts in National Security and Strategic Studies from the Naval War College. His military education includes the Engineer Officer Basic and Advanced Courses at Fort Leonard Wood, Missouri, and the Army Command and General Staff Officers Course at Fort Leavenworth, Kansas.

Ben M. Cox

Press Operations — Tue, 26 Aug 2025 19:00:00 GMT

Lt. Col. Ben M. Cox assumed duties as the Deputy District Commander of the Fort Worth District, U.S Army Corps of Engineers on August 1, 2025. As such, he assists the District Commander at an organization responsible for water resource development for most of Texas, and military design and construction in Texas, and parts of Louisiana. The District's civil works program, combined with military construction, spans over 320,000 square miles and employs over 1,200 personnel, the District maintains 25 lakes and major urban floodways that cost over $2.6 billion and has prevented more than $68 billion in flood damages. Aside from furnishing approximately 35 percent of the Texas surface water supply, these facilities also provide outdoor recreation opportunities for millions of visitors annually. The District’s military construction mission includes supervising the design and construction of projects such as family housing and medical, training and aircraft facilities at Army and Air Force installations in Texas and Louisiana.

Bob Hardbarger

Press Operations — Mon, 13 Oct 2025 15:51:00 GMT

Mr. Bob Hardbarger is the Deputy District Engineer for Programs and Project Management Division (DPM), Fort Worth District, U.S. Army Corps of Engineers (USACE). He is responsible for management of the District’s Civil Works, Military Construction, and International and Interagency Support portfolio of projects valued around three billion dollars.