More than 100 Airmen from Nellis Air Force Base, Nev., were selected as the Air Force's newest master sergeants, May 14. ARMSTRONG, NEIL E ASHBY, SHERRI K BALDWIN, JAMES E BLACKWELL, RONALD R BOTTAZZI, KIP J BOURGEOIS, KIPP M BRADLEY, CHRISTOPHER BROWN, YANCY IV BRYANT, DENNIS J BUCKINGHAM, KEVIN L