Also... semi-relevant to the topic about giving the ISS boosts.
<a href="http://www.wired.co.uk/news/archive/2014-07/31/nasa-validates-impossible-space-drive" rel="nofollow noopener" target="_blank">http://www.wired.co.uk/news/archive/2014-07/31/nasa-validates-impossible-space-drive</a>