The Armed Forces Chaplains Board (AFCB) is an organizational entity within the United States Department of Defense established to advise the Secretary of Defense and the Under Secretary of Defense for Personnel and Readiness on religious, ethical, and moral matters, in addition to a number of policy issues affecting religious ministry and the support of the free exercise of religion within the military services. It is made up of the three Chiefs of Chaplains and three active duty Deputy Chiefs of Chaplains of the Army, Navy, and Air Force.