Advancements in the size, weight, power and cost of gigabit per second directional wireless communication networks and technologies are enabling C4ISR using a backbone of unmanned autonomous systems (UAS). In this paper, we focus on the control of a set of UASs (topology) that provide mobile base stations for tactical operations. We discuss a comprehensive control architecture based on our on-going research and development, and we provide results of simulation experiments designed to investigate the effectiveness of reconfiguration of topologies that use steerable, high data rate (gigabit per second) directional beams in terms of network performance.