U.S. Marine Lieutenant Colonel Michael Monroe, Commanding Officer, Logistics Operations School, Marine Corps Combat Service Support Schools, shakes the hand of Master Sergeant Gary Black's father Gary during the Master Sergeants retirement ceremony on Camp Johnson N.C., June 7 2013. Marines, friends, and family gathered to celebrate the retirement of Master Sergeant Black for his 24 years of faithful service. (U.S. Marine Corps photo by Sergeant Mark E. Morrow Jr MCCSSS Combat Camera/Released)