。。。。。。你这个偷换概念，之前说的是公司成立几年后成功入轨，现在又换成什么时候开始研发， 
那你不看看ASTRA 是怎么成立的，本来他们是另一家公司，参加了DARPA的火箭研发挑战竞赛的，在2016年的时候 由Ventions LLC 重组而来的，而之前这家公司已经搞了10多年的火箭研发了。

Before being reincorporated as Astra Space Inc. in 2016, Ventions, LLC was a small San Francisco based aerospace research and design firm with a 10+ year history developing aerospace technology in partnership with NASA[7] and DARPA. Ventions was founded in 2005 and located at 1142 Howard Street, San Francisco, CA 94103.[clarification needed]