L3Harris recently cleared a critical milestone for a new fiber-optic torpedo cable, a cutting-edge technology designed to provide the U.S. Navy with real-time guidance capability for its next-generation submarine-launched weapon system, the MK-48 (Mod-8) torpedo.
L3Harris’ development of a state-of-the-art torpedo cable for the Improved Post-Launch Communications System (IPLCS) cleared Proof of Design (POD), transitioning from development to manufacturing phase, formally preparing the advanced technology for operational deployment.
“Providing accurate targeting data to torpedoes is a critical advantage in submarine warfare,” said Dave Kornick, President, L3Harris Intelligence and Cyber. “This technology will give U.S. and partner nations the ability to steer advanced MK-48 torpedoes using real-time data, a significant advantage that leaves enemy ships with less time to react and no room to evade.”
IPLCS is a fiber-optic guidewire that connects the submarine to the torpedo, providing real-time data and communication. IPLCS replaces older copper wires, giving these torpedoes thousands of times more bandwidth and a greater range.
Despite being about as thick as 20-pound fishing line, L3Harris’ fiber-optic cable offers higher strength and greater reliability than its copper predecessor. It has now been through rigorous testing, including sea trials, proving its performance in inhospitable marine environments. The testing regimen mimicked the high-speed and full-range maneuverability the tether will experience when connected to an active torpedo to ensure a U.S. advantage during conflict.
These new fiber optic cables will be delivered to the Naval Sea Systems Command (NAVSEA) and Program Executive Office Undersea Warfare Systems (PEO UWS). The Royal Australian Navy (RAN) is a partner on the IPLCS program and works within the Undersea Weapons Joint Program Office (PMS 404), with the cable system set to be incorporated into RAN Colins Class submarines in addition to U.S. Navy submarines.
IPLCS began as a DARPA-funded program in partnership with the University of Central Florida pursuing ultra-small, highly-integrated optical fiber cable. Now, IPLCS is one step closer to providing U.S. and allied navies superior technology as they secure one of the most important arenas in potential future conflicts – the undersea maritime domain.
