The Air Force announced Thursday that 5,500 technical sergeants, or E-6s, were selected to become the service's newest master sergeants, or E-7s, out of a pool of nearly 29,500 eligible airmen.

The U.S. Air Force Concert Band & Singing Sergeants are planning a free concert ... and the United States of America," according to the organization's website. Guests at the Barstow concert ...