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It's happening. We've been waiting for this event for years now, and soon everyone (along with SpaceX, Boeing, & Sierra Nevada) will know who will be flying the first U.S. astronauts from U.S. soil since the Space Shuttle retired in 2011, on-board USCV-1 to the ISS, tentatively scheduled to make its first flight in 2017. Live Updates: [4:08 PM 16 September] BOEING AND SPACEX ARE THE WINNERS! [9:10AM 16 September] Lurio, you must be relieved! Stephen Clark via Twitter: "NASA: "Major announcement today about astronaut transport to the International Space Station." 4pm presser at KSC. Buckle your seat belts." [12:41AM 16 September]: Andy Pasztor has published another article on the WSJ, titled: "Amazon Founder Jeff Bezos's Startup Is Part of Bid to Deliver Astronauts". Read the full article here. [9:16 PM EST]: Mr. Lurio to the rescue again... "Latest from elsewhere: WSJ/Pastor item is wrong. Conclusion: We won't know it til we know it, so take stress tab of your choice.". Jeff Foust has also retweeted this. [9:14 PM EST]: Cnet is regurgitating Wall Street Journal's claims that Boeing is to win one of the spots in an article titled: "Boeing said to win NASA space taxi contract". Everyone should be aware that this is complete speculation. There is no evidence to support any of this information. [3:31PM]: "Yet another item: Supposedly someone saw a poster just delivered KSC re CCtCap - included SNC/SpaceX, not Boeing. But I advise caution." Link to Tweet. [3:27PM]: Charles A. Lurio again... "This just in from another re CCtCap: Award tomorrow between 10-11am EDT." [3:06PM]: Charles A. Lurio on Twitter advising that companies will be informed of CCtCap results tomorrow morning, with public announcements following shortly after! All times are in EST BackgroundWith the Retirement of the Space Shuttle, NASA had to pay the Russians for seats on the Soyuz to ferry Astronauts to the ISS. NASA did not like this and started 2 different competitions to resupply and recrew the station. They are known as CCDev and CCtCap respectively. CCDev was the easier of the two and 2 companies made designs and won contracts, SpaceX with the Dragon and Orbital Sciences with Cygnus. The original idea was for CCDev to be a stepping stone for CCtCap, but it did not work out. CCtCap is Commercial Crew. in the beginning there were 5 designs with 4 capsules. They were SpaceX with the Dragon on a Falcon 9, Sierra Nevada Corp with DreamChaser on Atlas 5, Boeing with CST100 on Atlas 5, Blue Origin with New Sheppard on Undecided, and ATK with a CST100 on Liberty (think Aires 1). After the first round money was awarded to Boeing, SpaceX, and Sierra Nevada Corp to continue developing their designs. Boeing got the most money, followed by SpaceX and then SNC. Instead of a lump sum, the awards are parsed out based on milestones. This announcement is the end of the second phase. At this point, NASA has the money for 1.5 Contracts and this announcement is for who gets the big contract to actually carry astronauts to the ISS. Current Speculation is that Boeing has the strongest case because they have completed 100% of their milestones, with SpaceX in second with something like 80%. The main difference is that SpaceX has proven technology that has flown in the last decade, last time a Boeing Capsule flew was the apollo capsule. Tomorrow is the BIG day when the three lean whether or not they will get money to continue building their craft. SpaceX has already said that if they do not get selected they will continue to build the Dragon V2, it will just take longer. AFAIK there has been no announcements from SNC or Boeing on what happens if they do not get selected. for more info on the designs CST 100 http://en.wikipedia.org/wiki/CST-100 Dragon http://en.wikipedia.org/wiki/Dragon_V2 DreamChaser http://en.wikipedia.org/wiki/Dream_Chaser also reddit is a great place for more info and is where I am getting the updates from https://www.reddit.com/r/spacex/comments/2gi43x/rspacex_nasa_cctcap_downselect_official/