FILE PHOTO: Firefly Aerospace's first Alpha rocket lifts off from Vandenberg Space Force Base, California, U.S. September 2, 2021. REUTERS/Gene Blevins/File Photo :Firefly Aerospace has raised $175 million in a late-stage funding round led by RPM Ventures, valuing the space startup at more than $2 billion, it said on Tuesday. Venture capital firms have been investing strongly in rocket makers and satellite manufacturers, marking a shift in the investment trend for such capital intensive businesses, Seraphim Space said in a report last month. Texas-based Firefly makes small and medium launch vehicles for commercial launches to the earth's orbit.