1. Chengdu, China (J-10) Manufacturer: Chengdu Aircraft Design Institute Main User: People's Liberation Army Air Force Program Cost (Allocated in 1982): $74 million Unit Cost (FY2010): $28 million The Chengdu Aircraft Design Institute, while not as large as some of the major defense companies like Lockheed Martin, has made significant contributions to China's military aviation… Continue reading Buckle Up: Top 14Expensive Military Rides on the Planet