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NavSource Online: Submarine Photo Archive

Montana (SSN-794)

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Virginia Class Attack Submarine: Named Montana (SSN-794) on 2 September 2015.
Keel laid on 16 May 2018.
Christening 12 September 2020 & Launched 3 March 2021.
Montana will be delivered by Newport News Shipbuilding.
SSN-792 through approximately SSN-801 are planned to make up the Fourth Block. The main improvement over the Block III is the reduction of major maintenance periods from four to three, increasing each ship's total lifetime deployments by one. (Partial text courtesy of

Specifications:Power Plant: One S9G pressurized water reactor, 29.84MW (40,000hp), one shaft with pumpjet propulsor, Improved Performance Machinery Program Phase III one secondary propulsion submerged motor. Displacement, 7,800 tons submerged. Length: 377 feet. Draft: 32 feet. Beam: 34 feet. Speed: 25+ knots submerged. Depth: Greater than 800 feet. 12 VLS & four torpedo tubes, capable of launching Mark 48 torpedoes, UGM-109 Tactical Tomahawks, Harpoon (missile)s and the new advanced mobile mine when it becomes available: Unmanned Undersea Vehicles, Special Warfare: Dry Deck Shelter. Advanced SEAL Delivery System. Sonars: Spherical active/passive arrays. Light Weight Wide Aperture Arrays. TB-16, TB-29, and future towed arrays. High-frequency chin and sail arrays. Countermeasures: 1 internal launcher (reloadable 2-barrel) 14 external launchers. Crew: 134 officers and men.

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Virginia-class1.09kNewport News Shipbuilding is teamed with General Dynamics Electric Boat to build Virginia-class submarines. Newport News Shipbuilding builds the stern, habitability & machinery spaces, torpedo room, sail and bow. Electric Boat builds the pressure hull, engine room and control room. Newport News Shipbuilding and Electric Boat each perform work on the reactor plant as well as alternate on the final assembly, test, outfit and delivery. The team has been recognized as the best shipbuilding program in the Navy.
Virginia-class Infographic PDF.
Text & photo courtesy of
Virginia-class2.34kSecretary of the Navy (SECNAV) Ray Mabus speaks with guests attending a dual ship-naming ceremony for the Navy's newest Littoral Combat Ship, the future Billings (LCS-15) and future Virginia-class attack submarine, Montana (SSN-794), at Metra Park Rimrock Auto Arena, Billings, Mont., 2 September 2015. Mabus thanked the people of Montana for their support and contributions to the Navy and discussed the special bond that exists between a state and its namesake vessel.U.S. Navy photos 150902-N-AC887-004 & N-AC887-002 by Chief Mass Communication Specialist Sam Shavers,
Virginia-class244kThe Montana (SSN-794) is 40% complete, February 2018.Photo: Huntington Ingalls Industries photo/Chris Oxley via
Virginia-class283kJacob McNulty (far right) displays the keel authentication plate he welded at today's ceremony. Also present for the ceremony were (left to right) Cmdr. Mike Delaney, commanding officer of the pre-commissioning unit Montana (SSN-794); Mariah Gladstone, a member of the Blackfeet Nation; former Secretary of the Interior Sally Jewell, the ship's sponsor; and Newport News Shipbuilding President Jennifer Boykin. Photo: DCS18-358-108 courtesy of Huntington Ingalls Industries by Matt Hildreth/HII.
Virginia-class139kJacob McNulty Welds Sally Jewell's Initials.Photo: DCS18-358-56 courtesy of Huntington Ingalls Industries by Matt Hildreth/HII.
Hyman G. Rickover334kThe U.S. Navy held a keel laying ceremony for the Pre-Commissioning Unit Hyman G. Rickover (SSN-795) at General Dynamics Electric Boat, 11 May 2018.
The initials of the submarine's sponsor, Darleen Greenert, were welded onto a steel plate that will be permanently affixed to the submarine. She is the wife of former Chief of Naval Operations Adm. Jonathan Greenert (retired).
Hyman G. Rickover & Montana (SSN-794) appear here during the keel laying ceremony.
Text & photo courtesy of
Montana380kCover of the program for the recent keel laying ceremony for Montana (SSN-794), 16 May 2018. Photo courtesy of Dale Hargrave.
Montana351kMontana (SSN-794) construction continues in the Modular Outfitting Facility, August 2019. Photo # 2-DCS19-337-1 by Ashley Cowan courtesy of
Montana351kConstruction of Montana (SSN-794) nears completion in the Modular Outfitting Facility, January 2020.Photo # 8-DCS19-635-5 by Ashley Cowan courtesy of courtesy of Robert Haner via Fabio Pena.
165kMatthew Peters performs welding operations on the hull of Montana (SSN-794), which is currently under construction at the shipyard, January/February 2020. Photo # 13-DCS19-635-52 by Matt Hildreth courtesy of contributed by Robert Haner via Fabio Pena.
324kShipbuilders remove a protective covering to reveal Montana's (SSN-794) bow flag. The following day, Ship’s Sponsor Sally Jewell officially christened the submarine during a virtual ceremony.Photo # 7-DCS20-351-263 by Matt Hildreth, courtesy of
1.21kWith one solid swing, the ship's sponsor, former Secretary of the Interior Sally Jewell christened the Montana (SSN-794) as (from left) the ship's commanding officer Capt. Michael Delaney and Newport News Shipbuilding President Jennifer Boykin look on, 12 September, 2020.Photo # DCS20-352-367 by Matt Hildreth courtesy of
1.28kThe ship's sponsor, former Secretary of the Interior Sally Jewell offers remarks during the christening ceremony of Montana (SSN-794) in front of a virtual audience. Pictured from left to right: Capt. Michael Delaney, the ship's prospective commanding officer; Vice Adm. Richard P. Snyder, the Navy's inspector general; acting Undersecretary of the Navy Gregory J. Slavonic; and Jennifer Boykin, president of Newport News Shipbuilding, 12 September, 2020.Photo # DCS20-353-263 by Ariel Florendo /HI, courtesy of
963kThe christening ceremony of submarine Montana (SSN-794) took place at Newport News Shipbuilding division's Modular Outfitting Facility in front of a virtual audience on 12 September, 2020.Photo # DCS20-353-213 by Ariel Florendo /HI, courtesy of
3.01k Montana (SSN-794) Rollout on 15 October 2020.Photo # DCS20-376-140 courtesy of
1.74k Montana (SSN-794) in Dry Dock, 15 October 2020.Photo # DCS20-376-195 courtesy of
1.67kThe sun casts an orange glow on Montana (SSN-794) and Nimitz-class aircraft carrier George Washington (CVN-73), January-February 2021. Photo # 4-DCS20-473-382 by Ashley Cowan/HII, courtesy of & Bob Haner.
237kMontana (SSN-794) patiently waits to be launched from Newport News Shipbuilding's floating dry dock into the James River, January-February 2021. Photo # 12-DCS20-459-154 by Ashley Cowan/HII, courtesy of & Bob Haner.
3.39kMontana (SSN-794) has been launched into the James River and moved to Newport News Shipbuilding division’s submarine pier for final outfitting, testing and crew certification. Photo # DCS21-40-291 by Ashley Cowan/HII, courtesy of
3.26kMontana (SSN-794) has been launched into the James River and moved to Newport News Shipbuilding division’s submarine pier for final outfitting, testing and crew certification. Photo # DCS21-39-6 by Ashley Cowan/HII, courtesy of


Newport News Shipbuilding (NNS) announced today the successful completion of the initial sea trials Friday of fast-attack submarine Montana (SSN-794). The Virginia-class submarine, built at HII’s Newport News Shipbuilding division, spent several days at sea to test the ship's systems and components.
Testing included submerging the submarine for the first time and high-speed maneuvers while on the surface and submerged. HII teams will continue the testing program and will deliver the boat to the U.S. Navy later this year.
"We are very proud to say the Montana and her crew performed exceptional," said Jason Ward, Newport News Shipbuilding vice president of Virginia-class submarine construction. "Taking the ship to sea for the first time is a huge milestone for everyone involved. The crew, thousands of suppliers from around the country and shipbuilders from HII and Electric Boat can be proud the ship was successfully brought to life and will soon be part of the world’s greatest Navy.


Photo DCS22-14-315 courtesy of

There is no DANFS History currently available for Montana (SSN-794) at the Haze Gray & Underway Web Site, the main archive for the DANFS Online Project.
Crew Contact And Reunion Information
Not applicable to this ship.
Additional Resources and Web Sites of Interest
The VIRGINIA Class America's Next Submarine
The Virginia Class—A New Submarine for the 21st Century
SSN-774 Virginia-class NSSN New Attack Submarine Centurion
Making a Submarine - General Dynamics
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