Defense Secretary Ash Carter meets with the senior enlisted members from the Joint Chiefs, Army, Marine Corps, Navy, Air Force, National Guard and Coast Guard at the Pentagon, July 22, 2016. Left front to back are: Chief Master Sgt. of the Air Force James A. Cody; Master Chief Petty Officer of the Navy Michael D. Stevens; Master Chief Petty Officer of the Coast Guard Steven W. Cantrell; and Air Force Chief Master Sgt. Mitchell O. Brush, senior enlisted advisor for the National Guard Bureau. Right front to back are: Sgt. Maj. of the Army Daniel A. Dailey; Carter; Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff; and Sgt. Maj. of the Marine Corps Ronald L. Green. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley