L-3 Technologies provides high-technology products, systems, and subsystems in the defense electronics business. Customers include the U.S. Department of Defense and U.S. government agencies (roughly 70% of sales), as well as foreign governments and commercial customers. Areas of focus include aircraft modernization and maintenance, training and simulation, communication systems, electro-optical sensors, and airport security screening equipment. L-3 and Harris Corporation plan to merge and deal closing should occur around mid-2019, assuming all regulatory hurdles are overcome.