We thought that the odds of things working OK were up in the upper 90 percent or we wouldn't have gone. But the - there were some problems cropped up on the flight but was able to take care of those OK and - although they were things that we hadn't really trained that much for. But it was the time of the Cold War and so there were was a lot of pressure on the - to get going and the Russians were claiming that they were - Soviets were claiming they were ahead of us in technology.