C452_OTA_Electro-optical tether for towed and tethered submarine systems (C)

Naval Sea Systems Command Naval Surface Warfare Center Philadelphia Division is procuring multiple electro-optical tether prototypes for towed and tethered submarine systems using Other Transaction Authority, with solicitation release estimated for April 1, 2026, and award anticipated October 1, 2026. The tether prototypes must meet specifications including a safe working load exceeding 1000 pounds-force, a diameter between 6 millimeters and 10 millimeters, a minimum length of 2 kilometers, and incorporation of two fiber optic cables; the tether must exhibit neutral to slightly positive buoyancy in seawater with an option for variable buoyancy within the same diameter, and must contain either copper conductors or no conductors at all.

The estimated award value is up to $2 million under fixed-price terms. Work is performed at 5001 S Broad Street, Philadelphia, Pennsylvania 19112. No facility or personnel security clearances are required; the procurement is classified as basic research and defense-related activities under NAICS 335921 (Fiber Optic Cable Manufacturing).