Hill Technical Solutions Incorporated has on staff subject matter experts in systems engineering and analysis disciplines. The firm has performed key detailed communications and electronic control module technology analyses to include satellite, missile, and earth station interface control specification, quality of service with external sensors, Dynamic Object Oriented Requirements System (DOORS), radio frequency communications and recovery plans for ground based mid-course defense capabilities document waivers and deviations; as well as platforms assisting the formulation of and verifying Boeing's ground based missile defense requirements for the ground based mid-course defense fire control and communications.