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Submarines1976–present
Nuclear attack submarine
Los Angeles-class submarine is a nuclear attack submarine. The cited manufacturer or builder is Newport News Shipbuilding General Dynamics Electric Boat.
USS Los Angeles (SSN-688) underway. The source does not establish the exact date or location.
U.S. Navy · Public domain · Public domain · Source ↗Newport News Shipbuilding General Dynamics Electric Boat
United States Navy
Sturgeon class
Seawolf class
$900 million, 1990 dollars; $1.9 billion, 2024 dollars
1972–1996
1976–present
62
18
5
38
2 (as moored training ships )
Nuclear attack submarine
Surfaced: 6,082 t (5,986 long tons ) Submerged: 6,927 t (6,818 long tons)
362 ft (110 m)
33 ft (10 m)
31 ft (9.4 m)
1 × S6G nuclear reactor (150–165 MW) 2 × steam turbines (30,000–33,500) shp 1 × shaft 1 × secondary propulsion motor 325 hp (242 kW)
Surfaced: 20 knots (37 km/h; 23 mph) Submerged: Over 25 knots (46 km/h; 29 mph), official; 33+ knots, reported
Refueling required after 30 years
90 days
450 m (1,480 ft)
129
BQQ-5 suite which includes active and passive systems sonar , BQS-15 detecting and ranging sonar, WLR-8V(2) ESM receiver, WLR-9 acoustic receiver for detection of active search sonar and acoustic homing torpedoes, BRD-7 radio direction finder, BPS-15 radar
WLR-10 countermeasures set
4 × 21 in (533 mm) torpedo tubes , 37 × Mk 48 torpedo , Tomahawk land attack missile , Harpoon anti-ship missile , Mk 67 mobile, or Mk 60 CAPTOR mines (FLTII and 688i FLTIII have a 12-tube VLS)
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 110 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 110 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 110 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 110 m | Wikipedia contributors | superseded |
Los Angeles-class submarine equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
Naval inventory of the source class and listed configurations; excludes orders and construction. Source-year holdings, not immediately deployable strength.