The document summarizes the 21st annual Global MilSatCom conference and exhibition, taking place November 4-7, 2019 in London. It will bring together over 550 attendees from 35+ nations, including military and government speakers from countries such as New Zealand, South Korea, Norway, Malaysia, Romania, Australia, the Netherlands, Brazil, the US, Japan, and the UK. The pre-conference focus day on November 4 will explore small satellites and disruptive technology. The conference will provide opportunities to network and discuss key issues in military satellite communications, including the UK's SKYNET program and disruptive new efforts in the US and NATO.