Astra Space
Astra, Inc., formerly known as Ventions LLC, is a launch vehicle company based in Alameda, California, that develops pump-fed, liquid bipropellant propulsion engines for DARPA and NASA.· Astra is a technology provider for DARPA's Airborne Launch Assist Space Access program, and worked on the Small Air Launch Vehicle to Orbit program,· a pathfinder air-launched vehicle for placement of cubesat sized payloads into low Earth orbit, in 2014.
