WRIGHT-PATTERSON AFB, Ohio, March 5 -- The U.S. Air Force Life Cycle Management Center issued the following news: * * * Air Force releases Senior Master Sergeant promotion cycle statistics * Air Force officials selected 1,474 Air Force Master Sergeants for promotion to Senior Master Sergeant out of 13,315 eligibles for a selection rate of 11.07 percent in the 26E8 promotion cycle. The average overall score for those selected was 404.15. Selectees' average time in grade was 4.66 years and t  more