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SSN Comparison

Class
SkipjackPermitSturgeonBenjamin Franklin
(ex SSBN)
NarwhalGlenard P. LipscombLos AngelesSeawolfVirginia
Length252 feet278 - 292 feet292 / 302 feet425 feet314 feet365 feet360 feet353 feet377 feet
Draft27.8 feet28 feet28.8 feet31.5 feet26 feet28.8 feet32.15 feet35 feet32 feet
Beam31 feet32 feet32 feet33 feet38 feet32 feet33 feet40 feet34 feet
Displacement
surfaced3070 tons3540 tons4250 - 4460 tons6000 tons7460 tons
submerged3513 tons4300 tons4780 - 4960 tons8250 tons5350 feet6480 tons6927 tons9137 tons7800 tons
Speed
surfaced15 knots15 knots15+ knots20 knots20 knots15+ knots20+ knots
submerged29 knots30 knots30+ knots30 knots25+ knots20+ knots32 knots35 knots25+ knots
Cost$320 million$900 million2.1 billion1.05 billion
Crew8 officers,
85 enlisted
12 officers,
91 enlisted
12 Officers,
95 Enlisted
13 Officers,
107 Enlisted
13 Officers,
116 Enlisted
12 officers,
108 enlisted
13 Officers,
116 Enlisted
12 Officers;
121 Enlisted
113 officers and men
Armamentsix 533-mm
torpedoe tubes
MK 48 torpedoes,
UUM-44A SUBROC,
UGM-84A/C Harpoon,
MK 57 deep water mines,
MK 60 CAPTOR mines
MK 48 torpedoes,
UUM-44A SUBROC,
UGM-84A/C Harpoon,
MK 57 deep water mines,
MK 60 CAPTOR mines
UGM-84A/C Harpoon,
MK-48 torpedoes (4 tubes),
Tomahawk (12 vertical tubes)
MK 48 torpedoes (four tubes),
Harpoon,
Tomahawk
MK 48 torpedoes (four tubes),
Harpoon,
Tomahawk
Harpoon and
Tomahawk ASM/LAM from
VLS tubes,
MK 48 torpedoes from
four 533-mm torpedoe tubes
eight 660-mm torpedoe tubes;
50 Tomahawk cruise missiels or
50 Harpoon antiship missiles or
50 MK 48 ADCAP torpedoes or
up to 100 mines
VLS for Tomahawk;
MK 48 torpedoes,
Advanced Mobile Mines,
Unmanned Undersea Vehicles
Operational Depth700 feet1900 feet1900 feet800+ feet1475 feet2000 feet800+ feet




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