| THAAD |
versus |
Ohio class SSBN |
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Picture Author:
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| Mobile anti-ballistic missile system |
Type |
Nuclear-powered ballistic missile submarine (SSBN) /
Nuclear-powered cruise missile submarine (SSGN) |
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| 2008–present |
Service Period and Status |
1981–present |
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Program & Unit Cost |
Unit Cost:
$2 billion (late 1990's)
$2.97 billion in 2018 dollars |
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| 2008–present |
Production Period |
1976–1997 |
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Preceded By |
Benjamin Franklin class |
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Succeeded By |
Columbia class |
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Mass / Weight / Displacement |
16,764 tonnes / 16,499 long tons surfaced
18,750 tonnes / 18,450 long tons submerged |
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Width / Beam |
42 ft / 13 m |
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Draft / Draught |
35.5 ft / 10.8 m maximum |
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Speed |
12 knots (22 km/h; 14 mph) surfaced
20 knots (37 km/h; 23 mph) submerged (official)
25 knots (46 km/h; 29 mph) submerged (reported) |
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Propulsion |
1 × S8G PWR nuclear reactor
2 × geared turbines; 60,000 shp (45 MW) Fairbanks Morse auxiliary diesel
1 × 325 hp (242 kW) auxiliary motor
1 shaft with seven-bladed screw |
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A THAAD battery consists of:
6 launcher vehicles
2 mobile tactical operations centers (TOCs)
AN/TPY-2 ground-based radar (GBR) |
System Components |
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| 8 |
Missiles / Rockets per Launcher |
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| 8.55–10 GHz X band |
Radar Band & Frequency |
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Range:
2,900 miles / 4,700 km |
Search / Detection / Coverage Range |
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| 900 kg |
Missile / Rocket Mass / Weight |
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| 6.17 m |
Missile / Rocket Length / Height |
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| 34 cm |
Missile / Rocket Diameter / Width |
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| Pratt & Whitney Single-stage rocket |
Missile / Rocket Engine |
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| Solid-fueled rocket |
Propellant |
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| >200 km |
Missile / Rocket Range |
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| 150 km |
Missile / Rocket Altitude |
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| Mach 8.24 / 2.8 km/s |
Missile / Rocket Speed and Velocity |
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| Indium-antimonide imaging infra-red seeker head |
Guidance System |
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