Chief Master Sgt. Lee Green, 80 Aerial Port Squadron, presents his brother Chief Master Sgt. Norman Green, 22nd Civil Engineer Squadron individual mobile augmentee, with a shadowbox at Norman's retirement ceremony July 25, 2014, at McConnell AIr Force Base, Kan. Only one percent of Airmen who enlist ever make it to the rank of chief, yet these two brothers accomplished this task. (U.S. Air Force photo by Senior Airman Trevor Rhynes/Released)