There are countless things that can happen at 39,000 feet . When a plane crashes, the world takes notice and so do the experts. Using captivating reconstructions, state-of-the-art CGI and interviews with investigators and pilots, Air Crash Investigation uncovers exactly what happened and why. This season looks at some of the most publicised plane crashes of the past few years, opening with the infamous Malaysia Airlines Flight 17 that was hit by a missile over a Ukrainian conflict zone causing the aircraft to break up. The flight was a tragedy that gripped the world, gaining widespread media attention. 15 months of intense investigation followed to determine exactly what happened. When we say ‘air crash' we don't just mean airplanes, this season we uncover the mechanics and human error behind the disintegration of the experimental Virgin Galactic Spaceship.