An official website of the United States government
A .mil website belongs to an official U.S. Department of Defense organization in the United States.
A lock (lock ) or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

NEWS | March 4, 2025

Statement about the Caisson Detachment Accident on March 3, 2025

U.S. Army Military District of Washington

At approximately 2 p.m. Monday, Mar. 3, 2025, an accident occurred at Joint Base Myer-Henderson Hall on Buffalo Soldier Avenue near Caisson Circle and Patton Hall. The accident involved Soldiers and Horses of the 3d U.S. Infantry Regiment (The Old Guard) Caisson Detachment who were conducting training.

During yesterday’s accident three Soldiers received non-life-threatening injuries which required treatment at a local hospital. One Soldier underwent surgery and remained at the hospital overnight, while two were released upon completion of treatment. All Soldiers will be monitored and reevaluated by military medical professionals as required. All Soldiers were wearing appropriate Personal Protective Equipment, to include approved equestrian riding helmets.

What was initially reported as two horses receiving non-life-threatening injuries has been updated to four horses after a thorough examination of all horses involved in the incident. All injuries are non-life-threatening and all horses and have been examined and treated by onsite veterinarians and remain under care and observation at Joint Base Myer-Henderson Hall. None of the animals needed to be evacuated for higher level care and are expected to fully recover.

One Modified Caisson Wagon was damaged during the accident and moved to the Caisson Detachment motor pool for further evaluation.

The accident remains under investigation.