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USS San Francisco (SSN-810)

The lead boat of the Virginia class, USS Virginia (SSN-774)
History
United States
Name	San Francisco
Namesake	San Francisco, California
Builder	General Dynamics Electric Boat
Identification	SSN-810
Status	Announced
General characteristics
Class and 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	15 officers 120 enlisted crew
Armament	40 VLS tubes (12 forward VPT; 28 in VPM), four 21 inch (530 mm) torpedo tubes for Mk-48 torpedoes BGM-109 Tomahawk

USS San Francisco (SSN-810) will be a Virginia-class nuclear-powered attack submarine of the United States Navy, the ninth of the Block V boats and the 37th overall of her class. She will be the fourth US naval vessel named for San Francisco, California, one of the most densely populated cities in the U.S. The first San Francisco (C-5) was a nineteenth-century cruiser, later converted to a mine-layer, that saw action during the Spanish-American War and World War I, while the second (CA-38) was a heavy cruiser and one of the most decorated ships of World War II. The third, (SSN-711), also an attack submarine, is a Los Angeles-class boat that after decommissioning, became a moored training ship for the Nuclear Power School in South Carolina.

The submarine's name was announced on 3 October 2023 by Navy Secretary Carlos Del Toro while attending Fleet Week in San Francisco.

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.

References

1. "SSN 810". nvr.navy.mil. 14 October 2021. Retrieved 16 November 2023.
2. "SECNAV Del Toro Names Future Nuclear-Powered Attack Submarine USS San Francisco (SSN 810)" (Press release). United States Navy. 3 October 2023. Retrieved 4 October 2023.
3. "Attack Submarines - SSN". United States Navy. Retrieved 9 May 2024.

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