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USNS Zeus (T-ARC 7)

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Operated by the Military Sealift Command, USNS ZEUS was the first multi-mission cable ship designed and built by the US Navy specifically as a cable ship. It incorporated advanced propulsion features, centralized integrated displays for monitoring ship and cable machinery parameters and functions, passive flume stabilization, better maneuverability and cable handling capabilities at both bow and stern, and survey equipment designed to combine high performance and versatility with minimal maintenance. ZEUS could lay up to 1,000 miles of cable in depth of 9,000 feet during a single deployment before having to restock its cable supply. Stricken in 2025, ZEUS subsequently entered the National Defense Reserve Fleet at the James River Reserve Fleet at Fort Eustis, Virginia, awaiting final disposal.

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Crew List:

This section contains the names of sailors who served aboard USNS ZEUS. It is no official listing but contains the names of sailors who submitted their information.

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USNS ZEUS History:

USNS ZEUS was developed during the late 1970s as the U.S. Navy prepared to replace its aging force of converted cable ships with a vessel designed from the outset for the installation, recovery, maintenance and repair of military submarine cable systems. Preliminary design work had been completed by December 1977, and formal top-level requirements for the new cable ship were issued on October 12, 1978. The Navy ordered the vessel on August 17, 1979. A second ship based on the same design was considered but was never ordered, leaving ZEUS as the only ship of her class.

Construction began at National Steel and Shipbuilding Company in San Diego, California, where the keel was laid on June 1, 1981. ZEUS was launched on October 30, 1982, sponsored by Ursula Meese, wife of Edwin Meese III, who at the time served as Counselor to President Ronald Reagan. By October 24, 1983, the vessel was conducting sea trials off the California coast. ZEUS was placed in service with the Military Sealift Command on March 19, 1984, becoming the first U.S. Navy cable ship designed and constructed from the keel up specifically for cable-laying and cable-repair work rather than converted from another type of ship.

The ship carried extensive specialized cable-handling machinery. In her later documented configuration this included five cable tanks, cable transporters, cable tension machines, self-fleeting cable drums, overboarding sheaves and a dynamometer cable fairleader. She could carry and lay as much as approximately 1,000 miles of cable without replenishing her cable supply and could conduct cable-laying operations in water depths of up to approximately 9,000 feet. Her equipment also included single-beam and multibeam sonar for bottom profiling, while towed side-scan sonar and camera sleds could be deployed for underwater examination and survey work. Systems for measuring currents, temperature and water density, together with acoustic and environmental measurement buoys, supported the oceanographic aspects of her missions. ZEUS was unarmed.

The principal mission of ZEUS was the installation and maintenance of submarine cable systems. Much of this work supported the Navy's fixed undersea surveillance infrastructure. During the Cold War, fixed acoustic arrays formed an important part of the Sound Surveillance System, which was intended to detect and track submarines across large areas of the ocean. In 1985, the Navy established the broader Integrated Undersea Surveillance System framework, bringing fixed and mobile surveillance capabilities into a more integrated organization. ZEUS provided the cable-laying, recovery, repair and associated survey capability required to maintain parts of this worldwide seabed infrastructure. Her secondary missions included acoustic, hydrographic and bathymetric survey work and support for underwater acoustic equipment and other seabed systems.

On October 1, 1984, ZEUS became part of the Military Sealift Command's Special Mission force. Her arrival allowed the Navy to withdraw the much older USNS AEOLUS (T-ARC 3) from the cable-repair role. ZEUS had no permanently assigned home port. On the U.S. East Coast she frequently operated from facilities associated with Naval Weapons Station Yorktown, Virginia, particularly Cheatham Annex, which provided support for the Navy's undersea cable activities. Her missions, however, were worldwide.

Detailed information concerning the individual cable operations conducted by ZEUS during the remainder of the 1980s is limited in the public record. The routes of military submarine cables, the locations of fixed underwater surveillance installations and the precise tasks carried out in connection with those systems were generally not publicly disclosed. ZEUS nevertheless remained continuously employed in the installation, maintenance, recovery and repair of undersea cable and associated surveillance equipment in both Atlantic and Pacific operating areas.

The operational tempo was especially high in 1991. During that year, ZEUS spent more than 300 days underway and conducted operations in both the Atlantic and Pacific oceans. She also received recognition within Military Sealift Command Pacific as a repeat Smart Ship performance winner. The same period marked the withdrawal of the Navy's remaining older dedicated cable ships. USNS NEPTUNE (T-ARC 2) was retired in 1991, followed by USNS ALBERT J. MYER (T-ARC 6) in 1994. After the departure of ALBERT J. MYER, ZEUS was left as the U.S. Navy's only dedicated cable-laying and cable-repair ship.

The end of the Cold War did not end the requirement for military submarine cables and fixed seabed systems. Existing cable networks and underwater acoustic installations still required inspection, repair, replacement and modernization, while new communications and surveillance requirements continued to develop. ZEUS therefore remained in worldwide service throughout the 1990s.

One of the best-documented events of this period occurred in the western Pacific in November 1996 and was unrelated to her normal cable mission. ZEUS and USNS KILAUEA (T-AE 26) had departed Guam several days earlier in order to avoid the effects of Typhoon Dale. During the early hours of November 9, 1996, the U.S. Coast Guard on Guam requested assistance after the Philippine-registered livestock carrier GUERNSEY EXPRESS encountered serious difficulties approximately 50 miles southwest of Guam. GUERNSEY EXPRESS, which was carrying approximately 1,600 cattle from Australia to Japan, had sustained damage during the typhoon. Its pumping system failed and the vessel developed an increasing starboard list. The 20 members of its Filipino crew abandoned the ship, with 18 entering a lifeboat while the remaining two used a life raft.

ZEUS and USNS KILAUEA altered course after receiving the Coast Guard request and reached the area at approximately 4:15 a.m., about four hours after being contacted. Weather conditions remained difficult, with winds gusting to approximately 30 knots and seas of about 15 feet. Between the two Military Sealift Command ships, all 20 crewmen from GUERNSEY EXPRESS were recovered alive. Eighteen of the survivors were subsequently documented aboard ZEUS. GUERNSEY EXPRESS later sank and its livestock cargo was lost. In 1997, the crews of ZEUS and USNS KILAUEA received mariners' plaques from United Seamen's Service for their participation in the rescue.

Through the remainder of the 1990s and the opening years of the twenty-first century, ZEUS continued worldwide special-mission operations. Her continuing duties included transporting, deploying, recovering and repairing submarine cable, supporting underwater acoustic systems and conducting related hydrographic and oceanographic work. Changes were also made to the way the vessel was manned. ZEUS operated under Military Sealift Command with civilian mariners responsible for the ship's navigation, engineering and normal shipboard functions, while military and mission personnel could embark for specialized tasks. By fiscal year 2005, the communications function aboard ZEUS was transferred from military personnel to civilian mariners as part of changes in Military Sealift Command manning.

As ZEUS aged, scheduled shipyard periods became an increasingly regular part of her operating cycle. On June 7, 2007, she was documented in dry dock at Colonna's Shipyard in Norfolk, Virginia, undergoing maintenance. Additional photographic evidence shows her undergoing another Norfolk-area shipyard period during 2008.

On October 7, 2010, Colonna's Shipyard received a contract initially valued at $6.686 million for a 100-calendar-day regular overhaul of ZEUS at Norfolk. The planned work included docking and undocking, maintenance of the main propulsion motors, work associated with transducer and sonar equipment, preservation of the underwater hull and removal and inspection of the propulsion shafts. Contract options could increase the total value to approximately $9.36 million. Completion was scheduled for February 2011. ZEUS was photographed arriving at Norfolk on October 29, 2010, during the period in which the overhaul was beginning.

The Navy's budget planning during the following years reflected changes in the expected operating tempo of the ship. For fiscal year 2011, ZEUS was budgeted largely in reduced operating status. The fiscal year 2012 plan called for approximately 183 days in reduced operating status and 183 days in full operating status. For fiscal year 2013, the plan changed to 365 days in full operating status, with additional funding associated with cable repairs to fixed Sound Surveillance System arrays.

ZEUS was documented at Naval Base San Diego on March 15, 2012, returning to the city where she had been constructed three decades earlier. During the same year, she became publicly associated with a major undersea communications project involving Naval Station Guantanamo Bay, Cuba. The Department of Defense planned an underwater fiber-optic cable connection between the Guantanamo Bay installation and South Florida. The project was valued at approximately $40 million and was intended to provide a high-capacity physical communications link to the base. During the summer of 2012, Cuban authorities were notified that ZEUS would operate off the coastline of the U.S. installation while conducting survey work connected with the planned cable. Contemporary information from that period identified these activities as preparatory surveying rather than the actual start of cable installation. Later official military studies described the broader ZEUS assignment between 2012 and 2014 as the laying of the fiber-optic connection between the Miami area and Guantanamo Bay.

While the Guantanamo project was developing, another major overhaul was scheduled. On November 21, 2012, Detyens Shipyards in North Charleston, South Carolina, received an initial contract worth approximately $13.02 million for a 120-day regular overhaul and drydocking of ZEUS. The planned work included maintenance of the main propulsion motors, forward and stern thrusters, preservation of tanks and freeboard areas, overhaul of pumps, servicing of sea valves and underwater-hull cleaning and painting. Contract options could increase the total value to approximately $16.44 million. Completion was scheduled for March 30, 2013.

Another substantial industrial availability was awarded to Detyens Shipyards on October 7, 2014. The initial contract, worth approximately $14.74 million, covered a 170-day regular overhaul and drydocking at North Charleston. If all options were exercised, the total value could rise to approximately $17.20 million. Completion was scheduled for April 2015.

By this point, ZEUS had been in service for more than 30 years. Navy studies subsequently addressed the number of cable-repair vessels required to support worldwide military requirements. A 2015 cable-capacity study and a further maritime-surveillance-system capacity study in 2017 concluded that two cable-repair ships were required to meet projected worldwide government requirements. ZEUS nevertheless remained the Navy's only dedicated cable ship.

Several movements during 2016 are publicly documented. ZEUS was at Naval Base Norfolk on April 13, 2016, and was photographed at Naval Weapons Station Yorktown on October 13, 2016. The Yorktown and Cheatham Annex facilities remained closely associated with the Navy's undersea cable-support activities. On October 14, 2016, Detyens Shipyards received an initial contract valued at approximately $9.25 million for another 90-calendar-day overhaul and drydocking of ZEUS at North Charleston. The extensive work package included preservation of the underwater hull; examination of anchors, chains, the rudder, bilge keels, propellers, sea valves and cathodic-protection equipment; cleaning and inspection of the transducer dome; work on the port shaft rope guard; and repairs or replacement of various sea-chest and hull components.

Navigation and mission-support systems also received attention during this availability. Planned work included upgrades to navigation equipment and maintenance associated with the ship's high-precision acoustic-positioning system. Closed-circuit video equipment was modified, and work was planned on a sub-bottom frame and topside elevator. Additional items included changes to stern-tube cooling, scheduled overhauls of two diesel generators, replacement of a marine cable terminal and bow-trolley power cable, work on voyage-data-recording and distress-communications equipment, installation of a new ship-control console, electronic-chart equipment, a dynamic-positioning console and replacement gyro equipment. Work was also planned on the heavy overboarding system, including new hydraulic pumps, together with repairs associated with a bow-thruster oil leak and steering-gear leakage. Completion was scheduled for March 1, 2017.

Following this yard period, ZEUS resumed operations and crossed the Atlantic. She was documented at HM Naval Base Devonport at Plymouth, United Kingdom, in early August 2017. ZEUS returned to the Norfolk area for further maintenance in 2018. A mid-term availability at Colonna's Shipyard ran from February 2 to April 30, 2018, with approximately $6.3 million obligated for the work.

Later that year, another regular overhaul was arranged. On November 9, 2018, Colonna's Shipyard received an initial contract valued at approximately $10.47 million for a 121-calendar-day regular overhaul and drydocking. Options could increase the total value to approximately $13.43 million. Planned work included inspection and maintenance of the main propulsion motors, upgrades to cable-handling equipment, work on the heavy overboarding system, modification of an antenna mast, upgrades to the high-precision acoustic-positioning system, inspection of the propulsion shafts, preservation of the underwater hull and freeboard and maintenance of sea valves. Completion was scheduled for April 13, 2019.

ZEUS continued international operations after returning to service. Military Sealift Command personnel information later confirmed that the ship spent part of the period preceding 2021 forward deployed to Sasebo, Japan. At the same time, planning for the eventual replacement of ZEUS was advancing. By 2019, congressional documentation concerning Navy cable capacity referred to the 2015 and 2017 studies that had identified a requirement for two cable-repair vessels to satisfy worldwide government demands. ZEUS was already approaching the end of the service life originally expected for the ship.

In April 2020, the Navy conducted an industry day concerning development of a replacement cable ship, initially referred to as T-ARC(X). Plans called for the future vessel to retain the core cable-installation and cable-repair functions performed by ZEUS while using modern equipment and incorporating capabilities including contemporary cable machinery, remotely operated underwater vehicles, cable-burial equipment, a moon pool and updated sonar and positioning systems. Government planning documents from this period described the Navy as responsible for approximately 40,000 miles of undersea cable.

ZEUS continued to receive the maintenance necessary to remain operational while replacement planning proceeded. On September 18, 2020, Colonna's Shipyard received an initial $8.56 million contract for a 90-day mid-term availability at Norfolk. The planned work included structural repairs, maintenance of ship-service diesel generators, electrical-switchboard servicing, repair and maintenance of cable-drum and braking equipment and installation of fiber-optic and Ethernet cable runs. Completion was then expected by February 13, 2021.

On October 15, 2021, Detyens Shipyards received another contract, initially worth approximately $8.99 million, for a 90-calendar-day regular overhaul and drydocking of ZEUS at North Charleston. With contract options, the total value could rise to approximately $9.98 million. Completion was scheduled for April 2, 2022. A further maintenance period was arranged late in 2022. On November 23, 2022, the Department of Defense announced an approximately $10.02 million award to East Coast Repair and Fabrication in Newport News, Virginia, for a 90-calendar-day ZEUS shipyard availability. Work was scheduled to begin on January 3, 2023, with completion originally planned for April 2, 2023.

After returning to operational service, ZEUS again appeared in the Pacific. On August 2, 2023, she was documented alongside Tyco Pier in Honolulu Harbor, Hawaii. On November 30, 2023, Detyens Shipyards received another major contract for ZEUS, initially valued at approximately $16.13 million. The 125-calendar-day regular overhaul and drydocking was scheduled to begin at North Charleston on February 1, 2024, with completion planned for June 5, 2024. The planned work package included cleaning and gas-freeing tanks and voids, preservation of superstructure and internal spaces, bilge cleaning and painting, structural and closure repairs, steel work in bulwark areas, preservation of sewage-system tanks, maintenance of propulsion and automation controls, work on thrust and line-shaft bearings, electrical-switchboard cleaning and inspection of the bow- and stern-thruster motors. ZEUS was approaching 40 years in Military Sealift Command service when this availability began.

After completing the 2024 shipyard period, ZEUS returned to the Hampton Roads area. She was documented at Naval Base Norfolk on October 4, 2024. By this time, the Navy and Military Sealift Command were preparing for her withdrawal from service. On November 8, 2024, Military Sealift Command issued a notice seeking industry capability for a planned deactivation availability. The initial planning called for work to begin on or about August 1, 2025 and continue for approximately 60 days. The proposed deactivation work differed fundamentally from earlier maintenance periods because the objective was no longer to return ZEUS to operational service. Planned tasks included preparing the vessel for towing and long-term lay-up, securing the propulsion shafts and steering system, removing batteries, antennas and selected communications and bridge-navigation equipment, draining hydraulic systems, preparing machinery and auxiliary systems for inactive status, deactivating firefighting installations, removing life-saving equipment and evacuating refrigeration and air-conditioning systems. A formal solicitation followed on December 31, 2024.

Navy fiscal year 2026 budget documentation subsequently identified ZEUS as retired and stated that a long-term chartered vessel would provide undersea cable support until the planned replacement cable ship became available. Military Sealift Command later identified the chartered CS GLOBAL SENTINEL as part of its cable-laying and repair capability.

On July 22, 2025, Colonna's Shipyard in Norfolk received the contract for the deactivation availability of ZEUS. The contract had a potential value of approximately $5.58 million and a performance period extending through September 30, 2025. The work prepared the vessel for inactive storage rather than another return to service. On October 3, 2025, ZEUS entered the National Defense Reserve Fleet at the James River Reserve Fleet at Fort Eustis, Virginia. Maritime Administration records subsequently listed the vessel in the Atlantic division, identified her design as "Cable Repair" and placed her in the "Non-retention – Other" category with a status of "Disposal".

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USNS ZEUS Image Gallery:

The photos below were taken by me and show the ZEUS arriving at Norfolk, Va., via the Chesapeake Bay Bridge Tunnel on October 29, 2010.

The photos below were taken by me and show the ZEUS at Naval Base San Diego, Calif., on March 15, 2012.

The photos below were taken by Michael Jenning and show the ZEUS at Naval Base Norfolk, Va., on April 13, 2016.

The photo below was taken by Michael Jenning and shows the ZEUS at Naval Weapons Station Yorktown, Va., on October 13, 2016.

The photo below was taken by Michael Butterfield and shows the ZEUS at HMNB Devonport in Plymouth, UK, in early August 2017.

The photos below were taken by Michael Jenning and show USNS ZEUS at Naval Base Norfolk, Va., on October 4, 2024.

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