Billionaire entrepreneur Elon Musk’s SpaceX is building a network of hundreds of spy satellites under a classified contract with the US intelligence agency. According to the sources, the network is being built by SpaceX’s Starshield business unit as part of a $1.8 billion contract signed in 2021 with the National Reconnaissance Office, the intelligence agency that operates spy satellites. The source notes that if successful, this program will significantly expand the ability of the US government and military to quickly identify potential targets almost anywhere in the world. Anonymous sources …