https://spaceref.com/newspace-and-tech/ad-astra-rocket-company-wins-two-nasa-contracts-for-vasimr-technology-development/
Ad Astra Rocket Company Wins Two NASA Contracts For VASIMR Technology Development - SpaceRef
Aug 8, 2023 - Space news and reference site.
ad astra rocket company
https://ticotimes.net/2015/09/24/franklin-chang-ad-astra-rocket-selected-by-nasa
NASA selects Ad Astra Rocket company for another project
Sep 24, 2015 - The contract is the second signed between Ad Astra Rocket and NASA this year.
ad astra rocket companynasaselectsanotherproject