So, remember Firefly Space Systems, the smallsat company that went bankrupt a while back? Well, they were "bought" by a new investor who is willing to fund at least $100M of rocket development. Their new design is aiming for 1000kg to LEO and 600kg to SSO and has ditched the aerospike engine for four more traditional engines. They have since test fired their second stage engine and currently plan to conduct their first orbital test in the second half of 2019. They have also gotten a serious