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San Antonio vs Spearhead

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Specifications
San Antonio Spearhead
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Auxiliary ship
Type Amphibious transport dock Expeditionary Fast Transport
Manufacturer Avondale Shipyard Austal USA
Year introduced 2006 2012
Number built 13 units 15 units
Estimated unit price $1,602 million $180 million
Displacement 25,300 tons 1,515 tons
Maximum speed 22.0 knots 43.0 knots
Range 8,000 nm at 18 knots 1,200 nm
Length 208.0 m 103.0 m
Beam 32.0 m 28.5 m
Crew 361 41
Performance Radar Chart
Armament & Systems
San Antonio Spearhead
Armament
  • 2 x Bushmaster II close-in-guns
  • 2 x RIM-116 Rolling Airframe Missile launchers
  • 2 x 8 cell Mark 41 Vertical Launching System (not fitted)
  • Several twin M2 Browning machine gun turrets
  • 4x mounts for M2 .50 caliber machine guns
Propulsion Four sequentially turbocharged marine Colt-Pielstick diesel engines, two shafts, 41,600 shp Four MTU 20V8000 M71L diesel engines, Four ZF 60000NR2H reduction gears

Overview

The San Antonio is a Amphibious vessel, while the Spearhead is a Auxiliary ship.

The San Antonio displaces 25,300 tons — 17:1 the Spearhead's 1,515 tons. The San Antonio reaches 22 knots vs 43 knots for the Spearhead. Operational range is 8,000 nautical miles for the San Antonio vs 1,200 for the Spearhead. The San Antonio carries a crew of 361 vs 41 for the Spearhead.

The San Antonio was produced in 13 units vs 15 for the Spearhead. Cost per hull is $1,602M for the San Antonio vs $180M for the Spearhead. The San Antonio was commissioned in 2006, 6 years before the Spearhead (2012).

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Frequently Asked Questions

Which has greater displacement, the San Antonio-class or Spearhead-class?
The San Antonio-class has greater displacement at 25,300 tons compared to the Spearhead-class's 1,515 tons.
Which is faster, the San Antonio-class or Spearhead-class?
The Spearhead-class is faster with a maximum speed of 43 knots compared to the San Antonio-class's 22 knots.
Which has longer range, the San Antonio-class or Spearhead-class?
The San Antonio-class has a longer range at 8,000 nautical miles compared to the Spearhead-class's 1,200 nautical miles.
Which is longer, the San Antonio-class or Spearhead-class?
The San Antonio-class is longer at 208.0 meters compared to the Spearhead-class's 103.0 meters.
How many crew members do the San Antonio-class and Spearhead-class have?
The San Antonio-class has a larger crew complement of 361 compared to the Spearhead-class's 41 crew members.
Which is more expensive, the San Antonio-class or Spearhead-class?
The San Antonio-class is more expensive at approximately $1.6 billion per unit compared to the Spearhead-class at $180 million.
Which has been built in greater numbers, the San Antonio-class or Spearhead-class?
The Spearhead-class has been built in greater numbers with 15 vessels compared to 13 vessels of the San Antonio-class.