دانلود فیلم B2: Stealth at War 2013

نگاهی به گران ترین و تخصصی ترین هواپیمای ساخته شده، بمب افکن B2 Stealth که قیمتی بیش از دو میلیارد دلار دارد.

The most expensive and specialized airplane ever built, the B2 Stealth bomber carries a price tag of more than two billion dollars. Highly effective and extremely technically advanced, it has been an integral part of the Air Force ar