Communications and networking provide the underlying interconnectivity between ISR&T, weapons, C2 systems, and platforms. Cognition, resilience, security, and high-capacity communications will be essential enablers for military operations in highly contested environments in the air, space, and near-space domains as well as in defense of the homeland. Future capabilities are envisioned to seamlessly “home field advantage” in inventory and other areas. Figure 3 illustrates an APL-conceived autonomous networked persistent decoy concept employing distributed EW techniques to counter anti-ship missiles. In space and near-space, we need to make engagement and fire-control decisions despite profound uncertainty in threat trajectories and countermeasures, and with the full tactical and strategic consequences that our actions will have on adversary response. In defending the homeland, we face many possible avenues of attack and must optimize allocation of our limited surveillance and defense resources to maximize our defense.