Jeff Foust is reporting that the sequestration will bring it to a halt. And then there’s this:
NASA’s Space Launch System (SLS) rocket and Orion crew exploration vehicle would not be directly affected by the cuts.
[Update a couple minutes later]
A commenter says it may not be as bad as it appears (or at least, it’s not much worse than the status quo, given that Congress refuses to fund it adequately).
It always hurts my head to try to get it wrapped around the entrails of budget issues, but I’ll dig into it further (and be interested to see what Major Tom has to say).