Members of the 4100th Group Provisional, Tactical Airlift Control Element, (TALCE), set-up Satellite Communication Systems. These systems are used by the operations personnel to keep track of arriving and departing aircraft. The 4100th Group Provisional is in Tuzla to set-up airfield operations and bring the air head up to 24 hour capability. The Air Base will be a major hub of arriving troops and supplies in support of Operation Joint Endeavor. The battle scarred building in the background is the control tower of the airport in Tuzla, Bosnia-Herzegovina