Alan Boyle at NBC tonight reports that Boeing, SpaceX, and Sierra Nevada are the winning companies in the competition to provide human ferrying services to ISS.

Alan Boyle at NBC tonight reports that Boeing, SpaceX, and Sierra Nevada are the winning companies in the competition to provide human ferrying services to ISS, to be announced officially by NASA tomorrow.

The report does not provide dollar numbers. This Wall Street Journal story says that Boeing and SpaceX will be the prime contractors, which suggests that Sierra Nevada will be getting a smaller award.