; (2) the Office of Aviation Safety, including the UAS Integration Office, the Aircraft Certification Service, the Flight Standards Service, and the Office of Rulemaking; (3) the Air Traffic Organization, including the Program Management Organization, the Technical Operations Services, the Office of Mission Support Services, and the office headed by the Chief Operating Officer; (4) the Office of Security and Hazardous Materials Safety; (5) the Office of Airports; (6) the Office of the Chief Counsel; (7) the Office of Policy, International Affairs, and Environment; and (8) any other office determined appropriate by the Deputy Administrator. (c) Chair (1) In general The Director of Advanced Integration shall serve as the Chair of the Advanced Aviation Coordination Unit, at the discretion of the Deputy Administrator. (2) Authority The Chair may— (A) schedule meetings of the members of the Advanced Aviation Coordination Unit; (B) identify items for the members of the Advanced Aviation Coordination Unit to act on in fulfillment of the responsibilities described in subsection (d); and (C) establish working groups in addition to the working groups established pursuant to subsection (e). (d) Responsibilities The members of the Advanced Aviation Coordination Unit shall collaborate to— (1) promote the safe and responsible integration of advanced aviation systems into the national airspace system; (2) improve processes related to such integration; (3) improve processes related to the certification of advanced aviation systems; (4) develop clear and consistent standards related to advanced aviation systems; (5) ensure that determinations of the Administration related to advanced aviation systems are made in a timely manner