What is the name of the formerUS military officers training academy that was closed?

The former U.S. military officers training academy that was closed is the U.S. Army's Officer Candidate School (OCS) at Fort Benning, Georgia. This facility was officially closed in 2019 as part of a broader reorganization of military training programs. The OCS was instrumental in training commissioned officers for the Army, and its closure marked a significant change in the Army's approach to officer training.