An Air Operations Center is a type of command center used by the United States Air Force. It is the senior agency of the Air Force component commander to provide command and control of air operations. From Wikipedia
Jonathan J. Dunn, the lieutenant colonel charged with threatening a flight crew, was previously relieved of command for refusing the COVID-19 vaccine and suspended from a sensitive role at the 603rd Air Operations Center amid judicial proceedings; he is also a former Delta pilot whose authorization to carry a gun on board was revoked.