Iridium Communications Inc. is a commercial provider of communications services. The Company is engaged in providing mobile voice and data communications services using a constellation of orbiting satellites. It provides voice and data communications services to businesses, the United States and foreign Governments, non-Governmental organizations, and consumers via its upgraded satellite network, which has an architecture of approximately 66 operational satellites with in-orbit and ground spares and related ground infrastructure. Its products include Satellite Handsets and Iridium GO!, Broadband Data Devices, Voice and Data Modems, and Internet of Things Data Devices. The Company's principal lines of business includes land mobile, maritime, aviation, Internet of things (IoT), hosted payloads and other data services, and United States (U.S.) Government. Its land mobile users utilize its satellite communications services for voice and data, mobile and remote office connectivity.