Brig. Gen. George Walter, Commander of the Southwestern Division, passes the colors to the incoming commanding officer of the Fort Worth District, Col. Marlon Ringo. By accepting the colors, Col. Ringo accepts command and confirms his total commitment to the soldiers and civilians of the district. USACE PHOTO BY ANDRE J MAYEAUX
Command Transition: Col. Marlon Ringo Assumes Leadership of USACE Fort Worth District
Command Succession: Col. Marlon Ringo officially assumed leadership of the USACE Fort Worth District from outgoing commander Col. Calvin Kroeger on July 31, 2026.
Presiding Authority: Brig. Gen. George Walter of the USACE Southwestern Division presided over the official change of command ceremony.
Extensive Engineering Credentials: Col. Ringo brings over 20 years of military leadership, holding advanced degrees in Electrical Engineering, Environmental Engineering, Military Art/Science, and National Security/Strategic Studies.
Multi-Billion-Dollar Scope: Directs military construction, civil works, environmental stewardship, flood risk management, and emergency response across Texas and Louisiana installations.
Outgoing Assignment: Col. Kroeger completes a successful three-year command tour, departing for his next official assignment at Fort Bragg, North Carolina.
Editor’s Note: The following is from the USACE Fort Worth District, curated by America’s Engineers for civilian, commercial contractor, and industry visibility. The original report can be found at the U.S. Army Corps of Engineers Fort Worth District news repository.
The U.S. Army Corps of Engineers’ Fort Worth District welcomed Col. Marlon Ringo as its new commander during a change of command ceremony held July 31, 2026, as he assumed leadership from Col. Calvin Kroeger. The ceremony marked the official transfer of command following Kroeger’s three years of leadership of one of USACE’s largest and most diverse districts.
Presided over by Brig. Gen. George Walter from the Southwestern Division, the time-honored military ceremony recognized the accomplishments of Col. Kroeger while welcoming Col. Ringo to the district. During his tenure, Kroeger oversaw major military construction, civil works, environmental restoration, and flood risk management projects across Texas, as well as critical support to military installations throughout Texas and Louisiana. He departs the district for his next assignment at Fort Bragg, North Carolina.
The official party for the change command consisted of Brig. Gen. George Walter, Commander of the Southwestern Division, Col. Calvin Kroeger, outgoing commander of the Fort Worth District, Col. Marlon Ringo, incoming commander of the Fort Worth District, and Bob Hardbarger, Deputy District Engineer, Programs and Project Management for the Fort Worth District. USACE PHOTO BY ANDRE J MAYEAUX
Col. Ringo brings more than two decades of engineering and leadership experience to the Fort Worth District. A native of Northern Virginia, he earned his commission through the Reserve Officers’ Training Corps. 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, and a Master of Arts in National Security and Strategic Studies from the Naval War College. Throughout his career, he has served in a variety of operational, command, and staff assignments both in the United States and overseas.
The outgoing commanding officer of the Fort Worth District, Col. Calvin Kroeger, passes the colors to Brig. Gen. George Walter, the Commander of the Southwestern Division, reflecting his gratitude for the opportunity to lead and thereby relinquishing his command responsibility. USACE PHOTO BY ANDRE J MAYEAUX
As commander, Ringo will lead a workforce responsible for delivering military construction, flood risk management, water resources, environmental stewardship, and emergency response missions across Texas. The Fort Worth District manages multi-billion-dollar programs supporting the Department of War, federal agencies, and communities throughout the Southwest.
Col. Marlon Ringo completes a final passing of the colors to the senior civilian, Mr. Bob Hardberger, Deputy District Engineer, Programs and Project Management for the Fort Worth District, to signify the confidence that the commander places in the civilian work force to accomplish the mission. USACE PHOTO BY ANDRE J MAYEAUX
“I am honored to join the Fort Worth District team and look forward to building on the district’s strong tradition of engineering excellence and partnership,” Ringo said. “Together, we will continue delivering vital engineering solutions that strengthen our nation’s security, support our communities, and serve the American people.”
Yellow roses are presented to colonel Ringo’s wife, Mrs. Channa Ringo, followed by flowers for his daughters Skylar and Zoe, and his mother-in-law, Jacqueline, by park rangers Kathryn Champagne and Jennifer Lawson. USACE PHOTO BY ANDRE J MAYEAUX
The Fort Worth District remains committed to delivering innovative engineering solutions in collaboration with its partners to secure the nation, energize the economy, and reduce disaster risk as it begins a new chapter under Col. Ringo’s leadership.
This article was originally published by the U.S. Army Corps of Engineers under the title, “Col. Marlon Ringo Assumes Command of the USACE Fort Worth District.”
