This space stock is growing quickly and has a lot of irons in the fire.Space has become a real industry in the last decade. Inspired by the incredible growth at SpaceX, dozens of companies are now working on rockets, space systems, and services to fulfill customer demand in the new space economy. Rocket Lab (RKLB -3.65%) is one of the new emerging leaders in the sector.Closing in on $500 million in annual revenue, the rocket launch and space systems company is growing like gangbusters with plenty of new pro ...