USNS Zeus (T-ARC-7) is the first cable ship specifically built for the United States Navy.

[3] The ship's function was to transport, deploy, retrieve and repair submarine cables and test underwater sound devices, with a secondary mission of conducting acoustic, hydrographic, and bathymetric surveys.

[4] She can also be fitted with the Heavy Overboarding System (HOS), a 72,000-pound (33 t) A-frame capable of deploying remotely operated vehicles (ROVs).

Fourteen rectifiers from the bus supplied 750 v direct current for the two General Electric 5,000 brake horsepower propulsion motors.

It will also be equipped with a moon pool and a variety of hull mounted sonar systems to support the primary and secondary missions.