Master sergeants to use 2015 promotion study guide for testing
Master sergeants testing for promotion in the 18E8 promotion cycle will use the 2015 versions of Air Force Handbook 1 and professional development guide as study reference material, effective immediately. (U.S. Air Force graphic by Staff Sgt. Chip Pons

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Photo by: Staff Sgt. Chip Pons |  VIRIN: 170919-F-DM484-020.JPG