By Staff Writer on Jul 30, 2021 6:49AM Follows Starlink, OneWeb with Orchestra constellation. Britain's Inmarsat said it would launch a constellation of low earth orbit (LEO) satellites that it will combine with 5G mobile and its existing GEO satellites to offer more capacity to its global maritime, aviation and land-based customers. The service, named Orchestra, will require investment of about US$100 million over five years and will eventually include 150-175 LEO satellites, Inmarsat said on Thursday. Inmarsat already has a network of high-capacity GEO satellites that will number seven by 2024, offering high-speed broadband. It will augment this with the smaller and cheaper LEO satellites. These are being deployed in high numbers by operators such as Elon Musk's Starlink and UK-backed OneWeb.