The document outlines the agenda for the MilSatCom USA conference on June 28-29, 2017 in Arlington, VA. The conference will include keynote addresses from military leaders on evolving threats and response strategies. Presentations will discuss international collaboration on MilSatCom programs and updates on the Wideband Analysis of Alternatives. Panels will discuss resilient MilSatCom architectures and flexibility, as well as updates on the Wideband Analysis of Alternatives. The pre-conference workshop on June 27th will cover architecting space systems and developing architecture alternatives.