While new F-16 Fighting Falcons continue to be produced, the best is now behind them. Lockheed Martin keeps its production line open due to strong export demand for its new Block 70/72 (the US Air Force has ceased purchasing the jet). The F-16 has enjoyed a stellar career, and it has continuously been developed over the years to remain one of the world’s most popular fourth-generation fighter jets. So, how many more F-16s are likely to be built?