$15.5 billion is the total initial valuation of nine space companies that went or are planning to go public via SPACs: Virgin Galactic, Momentus, AST & Science, Astra, BlackSky, Velo3D, Redwire, Rocket Lab, and Spire. Silvio Marenco, a former CEO of two SPACs (Glenalta and Glenalta Food), and current advisor of Galileo Acquisition Corporation, defines a SPAC as a listed investment vehicle






