一台50年代米格17的噴氣發動機都要兩萬美元了。助推火箭，機身，導航係統和戰鬥部還得要成本吧？

https://www.ebay.com/itm/326280078904?itmmeta=01JZHBRQ8D1WPFN952FJM3R38D&hash=item4bf7cee638:g:PSIAAOSwv9Fm8Mi3&itmprp=enc%3AAQAKAAAAwMHg7L1Zz0LA5DYYmRTS30kb7xkmkmaFCME1vCV%2BkDbUD%2FXoexDBO0E7WA9fZGQSvBQzwZ7wD3IaT%2B41g5tW6ZipSG9loP%2B%2BSgIC132YioLhXjAESCzEfvh5cgdhbDBj472RSdAN69%2FdJNWpIX5Q1ElniqG5fZ7gB4kNfEXjjT%2BoyCRU1aP5id507Q9qHFZv1rVsgflPNooFF3aoNYz%2FMSWs2dMm1ItpEg05TjGkil0IPJT7dwy6iaVNK6F6cr%2FyWA%3D%3D%7Ctkp%3ABk9SR6b04qv8ZQ