2015 Senior Leaders' Winter/Holiday Safety Message Published Dec. 3, 2015 Air Force Safety Center Public Affairs KIRTLAND AIR FORCE BASE, N.M. -- Secretary of the Air Force Deborah Lee James, Air Force Chief of Staff Gen. Mark A. Welsh III and Chief Master Sgt. of the Air Force James A. Cody send a holiday safety message to highlight the importance of taking care of yourself and taking care of each other during this winter/holiday season.