Airman 1st Class Jeremy Osinski, 1st Combat Communications Squadron infrastructure technician, ensures the connectivity of a phone at the operations desk at Graf Ignatievo Air Force Base, Bulgaria. The 1st CBCS is here as part of joint-training exercise Sentry Gold, an exercise designed to assist the Bulgarian air force as it continues its integration into NATO and to build partnerships between the two air forces. The 1st CBCS is part of the 435th Air Ground Operations Wing, headquartered out of Ramstein Air Base, Germany. (Courtesy photo)