AST Spacemobile, Inc. engages in building a broadband cellular network in space to operate directly with standard, unmodified mobile devices based on an extensive IP and patent portfolio. The company is headquartered in Midland, Texas and currently employs 342 full-time employees. The company went IPO on 2019-09-13. The firm's SpaceMobile Service is designed to provide high-speed mobile broadband services to end-users who are out of terrestrial cellular coverage. The company is also engaged in designing and assembling its constellation of BlueBird (BB) satellites. BlueWalker 3 (BW3) is its prototype satellite, which is designed to operate directly with standard, unmodified mobile devices. The firm primarily operates in the United States, India, Scotland, Spain and Israel.