The Chair of the NATO Military Committee (CMC) is the head of the NATO Military Committee, which advises the North Atlantic Council (NAC) on military policy and strategy. The CMC is the senior military spokesperson of the 30-nation alliance and principal advisor to the Secretary General. The Chair is one of the foremost officials of NATO, next to the Secretary General and the Supreme Allied Commander Europe. The CMC is assisted by the Deputy Chair, who advises the Deputy Secretary General and serves as the principal agent for coordination of nuclear, biological, and chemical matters for the Military Committee. Originally titled the Chairman, the post was redesignated in 2021 to reflect the gender-neutrality of the post.