USS Atlanta (SSN-813)
US Navy Virginia-class submarine
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USS Atlanta (SSN-813) will be a nuclear-powered Virginia-class submarine of the United States Navy, the twelfth Block V attack submarine and 40th overall of her class.
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The lead boat of the Virginia class, USS Virginia (SSN-774) | |
| History | |
|---|---|
 United States | |
| Name | Atlanta |
| Namesake | Atlanta, Georgia |
| Ordered | 2024 |
| Identification | Pennant number: SSN-813 |
| General characteristics | |
| Class & type | Virginia-class submarine |
| Displacement | 10,200 tons |
| Length | 460 ft (140 m) |
| Beam | 34 ft (10.4 m) |
| Draft | 32 ft (9.8 m) |
| Propulsion | S9G reactor auxiliary diesel engine |
| Speed | 25 knots (46 km/h) |
| Endurance | can remain submerged for more than 3 months |
| Test depth | greater than 800 ft (244 m) |
| Complement |
|
| Armament | 40 VLS tubes (12 forward VPT; 28 in VPM), four 21 inch (530 mm) torpedo tubes for Mk-48 torpedoes BGM-109 Tomahawk |
The submarine will be the sixth U.S. Navy vessel named for Atlanta, Georgia.
Atlanta and sister ship Baltimore were ordered during the 2024 Fiscal Year budget at a combined cost of $9.4 billion.[1]
Design
Compared to Blocks I-IV of Virginia-class submarines, Block V vessels will incorporate previously introduced modifications to the base design in addition to a Virginia Payload Module (VPM). The VPM inserts a segment into the boat's hull which adds four vertical launch tubes. Each tube allows for the carrying of seven Tomahawk strike missiles, increasing her armament to a total of 40 missiles.[2]
