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Constellation vs DDX

Constellation vs DDX at a glance — displacement 7,291 vs 13,500 tons, length 151 vs 180 m, crew 200 vs 251.

Specifications
Constellation DDX
Origin 🇺🇸 United States 🇮🇹 Italy
Category Frigate Destroyer
Type Guided-missile frigate Guided-missile destroyer
Manufacturer Fincantieri Marinette Marine Orizzonte Sistemi Navali (Fincantieri, Leonardo)
Year introduced 2029 2033
Number built 2 units NA
Estimated unit price $1,280 million NA
Displacement 7,291 tons 13,500 tons
Maximum speed 26.0 knots NA
Range 6,000 nm at 16 knots 4,000 nm
Length 151.2 m 180.0 m
Beam 19.8 m NA
Crew 200 251
Performance Radar Chart
Armament & Systems
Constellation DDX
Armament
  • 32 Mark 41 VLS cells
  • BGM-109 Tomahawk Cruise Missile
  • RIM-162 ESSM Block 2
  • RIM-174 Standard ERAM
  • RIM-66 Standard SM-2 Block 3C
  • 16 × canister-launched over-the-horizon anti-ship weapons
  • RIM-116 Rolling Airframe Missile
  • Mk 110 57 mm gun
  • M240 or M2 machine guns
  • ~80-cell Sylver vertical launching system (A50 and A70 modules), as reported before the 2026 contract
  • Aster 30 Block 1NT and Aster 15 surface-to-air missiles (MBDA)
  • MdCN land-attack cruise missiles
  • Teseo Mk2/E anti-ship missiles
  • 1 × Leonardo 127/64 mm gun (Vulcano guided ammunition)
  • 3 × Leonardo 76/62 mm guns (Strales/DART)
  • 2 × triple torpedo tubes for MU90 Impact torpedoes
Propulsion CODLAG: 1 × General Electric LM2500+G4 gas turbine, 2 × electric propulsion motors (INDAR 2 x 3.4 MW), 4 × ship service diesel generators (Rolls-Royce MTU 20V 4000 M53B engine 3000 kW), 2 x fixed-pitch propellers, 1 × auxiliary propulsion unit --
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Frequently Asked Questions

Which has greater displacement, the Constellation-class or DDX-class?
The DDX-class has greater displacement at 13,500 tons compared to the Constellation-class's 7,291 tons.
Which has longer range, the Constellation-class or DDX-class?
The Constellation-class has a longer range at 6,000 nautical miles compared to the DDX-class's 4,000 nautical miles.
Which is longer, the Constellation-class or DDX-class?
The DDX-class is longer at 180.0 meters compared to the Constellation-class's 151.2 meters.
How many crew members do the Constellation-class and DDX-class have?
The DDX-class has a larger crew complement of 251 compared to the Constellation-class's 200 crew members.