#Oi2020 History
In 1976, testing began by the Naval Electronics Laboratory Center of two fiber optic undersea tow cables. This was done to measure “changes in optical attenuation caused by cabling, tension, temperature and pressure,” according to the book Advances in Marine Technology, as published by the Marine Technology Society. The testing led to the six-fiber cable (as manufactured by ITT Electro-Products Division, as the caveat to commence the accuracy of using fiber optics in undersea tow cables.

December 2025