Communications Airmen keep equipment running Published June 23, 2015 By Staff Sgt. Rachel Kocin 910th Airlift Wing Public Affairs YOUNGSTOWN AIR RESERVE STATION, Ohio -- Staff Sgt. Michael Korosec, 910th Communications Squadron radio frequency technician, refurbishes the speakers in a public address kit here, June 7, 2015. These kits are mobile and can be used anywhere on the installation for events and ceremonies. (U.S. Air Force photo/Staff Sgt. Rachel Kocin)