From 2018 to 2020, Astra was a contender within the DARPA Start Problem; to start with, as considered one of a few groups, Whilst at this stage Astra held its involvement mystery and was only generally known as "stealth startup" through the Problem organizers. Then as another two groups dropped https://gatherbookmarks.com/story16952207/an-unbiased-view-of-link-astratoto