AMC announces senior officer assignment, promotion Published Nov. 1, 2005 SCOTT AIR FORCE BASE, Ill. (AMCNS) -- Air Mobility Command officials recently announced the following senior officer assignments and promotions: SENIOR OFFICER ASSIGNMENT: Col. Michelle D. Johnson. director of Personnel, Air Mobility Command, Scott AFB, will become deputy director of Communications, and director of Public Affairs, Office of the Secretary of the Air Force, Pentagon, Washington, D.C. SENIOR OFFICER PROMOTION: Maj. Gen. David S. “Scott” Gray, commander of the Air Mobility Warfare Center, Fort Dix, N.J., received his second star Oct. 26.