视频简介
Russian operatives hijack a commercial American jet, planning to crash it into a nuclear power plant near Washington, D.C. resulting in fallout that will devastate the Eastern seaboard. With little time for Air Force fighters to shoot it down, the passengers and crew aboard the aircraft must rely on their own military and civilian training to stop the terrorists before it's too...。Massive machines require engineering extremes. The massive man-made satellite, commonly known as the International Space Station, hurtling around the Earth at 27,600 km an hour, has been a temporary home for humans for the last 20 years. The biggest land vehicle on earth, a bucket excavator titled Bagger 293, that can move 240,000 cubic meters of dirt each day. Innovation has a...。