L3Harris Technologies provides products for the command, control, communications, computers, intelligence, surveillance, and reconnaissance, or C4ISR, market. The firm produces uncrewed aerial vehicles, sensors, and avionics, as well as provides military and commercial training services and maintains the us Federal Aviation Administration's communications infrastructure. In July 2023, the company acquired Aerojet Rocketdyne, a key supplier of rocket motors to the space and defense industry.