AF selects 13 Sheppard Airmen for promotion to E-8 Published March 5, 2015 82nd Training Wing Public Affairs SHEPPARD AIR FORCE BASE, Texas -- Thirteen Sheppard master sergeants were selected for promotion to senior master sergeant. The selection rate was 8.75 percent, with an average selectee overall score of 680.90. Selectees' average time-in-grade was 4.34 years and time-in-service was 18.79 years. Average enlisted performance report score was 135; average decorations score was 20.67; U.S. Air Force Supervisory Examination average score was 79.38; and the average board score was 393.44. The senior master sergeant selects are as follows: Shawn H. Davis, 373rd Training Squadron (Robins AFB, Ga.) David W. Dibiase, 82nd Training Wing Billie J. Hartman, 366th Training Squadron Jonathan W. Jenkins, 364th Training Squadron John J. Pryhoda, 373rd Training Squadron (Charleston AFB, S.C.) Belinda R. Robinson,, 362nd Training Squadron Peter B. Rockey, 364th Training Squadron (Fort Leonard Wood, Mo.) Nicholas Schulte, 366th Training Squadron (Eglin AFB, Fla.) Reginald Shoulders,, 372nd Training Squadron James S. Smith, 82nd Aerospace Medicine Squadron Michael J. Tesch, 366th Training Squadron (Eglin AFB, Fla.) Jason W. Trezza, 361st Training Squadron Kara E. Vaughn, 82nd Force Support Squadron