The Auxiliary Bishops assist Archbishop Broglio in meeting the pastoral needs of the Archdiocese for the Military Services, USA. Each Bishop has a specific area of responsibility in addition to their many pastoral visits to U.S. Military Installations around the world and Veterans Affairs Medical Centers in the United States.
- Bishop Spencer – Vicar for the Eastern Half of the United States Vicariate
- Bishop Buckon – Vicar for the Western Half of the United States Vicariate
- Bishop Muhm – Vicar for the European and Asian Vicariates
- Bishop Coffey – Vicar for Veterans Affairs