ÃØÃÜÖ±²¥ APL’s Homeland Defense Mission Area develops innovative and effective solutions to defend the U.S. homeland and its critical infrastructure from increasingly diverse and sophisticated adversary threats. As offensive systems that can endanger our homeland emerge and evolve, APL envisions and creates critical defense technologies that will protect our nation. We develop cutting-edge solutions to support the missions of the Department of Defense and Department of Homeland Security to secure the United States from threat.