NASA terminated the COTS agreement with RpK in September 2007 after NASA warned RpK that it had failed to raise sufficient private funding by the July 31, 2007 deadline,[REF][REF] freeing up $175 million from the COTS budget to be awarded to another company or companies.
On October 22, 2007, NASA solicited proposals for the $175 million in unawarded first round funds [REF].