AST SpaceMobile has inked a new deal with Verizon to bring space-based cellular broadband across the United States, marking its most significant partnership to date and its latest move to capture a larger share of the emerging space-to-cellular market. Under the agreement, Verizon will integrate AST's satellite network with its terrestrial infrastructure, using Verizon's 850 MHz spectrum to extend coverage in remote areas where towers can't reach.