1945 – 1993 US Air Force Tempelhof Berlin Airlift Challenge Coin Nice! Coin is used and in good condition preserved in a plastic case for 30+ years. There is light scratching from wear and tear due to its age. Please see pics of actual coin for condition. This coin is 1 5/8 inches in diameter. Tempelhof Central Airport (TCA) was a United States Military airfield in West Berlin, Germany between 1945 and 1994. During its operational life, it was garrisoned by the United States Air Force, with units of the United States Army Berlin Brigade located within the facility.