NASA didn't spend any R&D on it as it was developed by a third party, so that point is moot as the answer is $0. https://www.scientificamerican.com/article/fac

NASA didn't spend any R&D on it as it was developed by a third party, so that point is moot as the answer is $0. https://www.scientificamerican.com/article/fact-or-fiction-nasa-spen/ https://www.scientificamerican.com/article/fact-or-fiction-n...