AEGIS Cruiser (CG 47 Class)

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Product Type:

AEGIS Missile Cruiser

Service (US):


Program Status:

In service but no longer in production.
Currently undergoing modernization.

Prime Contractors:

General Dynamics (Bath Iron Works)
Huntington Ingalls Industries

The AEGIS Missile Cruiser

About the AEGIS Cruiser:

The CG 47 Ticonderoga Class AEGIS Cruiser is a multi-mission guided missile cruiser designed to perform Anti-Air Warfare (AAW), Undersea Warfare (USW), Naval Surface Fire Support (NSFS), and Anti-Surface Warfare (ASuW) missions. The AEGIS Cruiser operates independently or as units of carrier strike groups and surface action groups. The class was named for the capture of Fort Ticonderoga in 1775 during the American Revolutionary War and most of the ships in the Ticonderoga class are named to commemorate key battles in U.S. history.

The Ticonderoga Class ships are powered by four General Electric LM2500 marine gas simple-cycle high-performance turbine engines, each delivering 20,000 shp.

First intended as a guided missile destroyer, the contract to build the first DDG 47 Ticonderoga Class (USS Ticonderoga) was awarded to Ingalls Shipbuilding (Huntington Ingalls Industries) in September 1978. In January 1980, the program was modified and USS Ticonderoga (and future ships) were redesignated as guided missile cruisers (CG 47 Class). Of the 27 ships built, nineteen were built by Ingalls Shipbuilding (Huntington Ingalls Industries) and eight by Bath Iron Works (General Dynamics).

The AEGIS Cruiser is equipped with two SH-60B Seahawk LAMPS III (Light Airborne Multipurpose System Mk III) surface warfare (SUW) and anti-submarine warfare (ASW) helicopters (the SH-60B is being replaced by the MH-60R Seahawk). The first two ships of the class had two Kaman SH-2 Seasprite helicopters.

The CG 47 Class is an important component of the AEGIS Ballistic Missile Defense (BMD) System, where it - together with Arleigh Burke Class Missile Destroyers (DDG 51) - patrols the oceans to detect and track ballistic missiles of all ranges, including Intercontinental Ballistic Missiles (ICBM). The tracking data is then reported to the U.S. Ballistic Missile Defense System (BMDS). The AEGIS Cruiser can also operate in concert with the Navy's carrier-based E-2C/D Advanced Hawkeye AEW&C aircraft. The E-2 is designed to detect missile launches and alert AEGIS Cruisers + provide continuous cueing information until the missile has been intercepted and destroyed.

At the core of CG 47 shipboard systems is the Lockheed Martin-developed AEGIS Combat System, an integrated missile guidance system used on U.S. Navy and allied ships. The system operates as an integrated single ship system, as well as in ship-to-ship networks. The key component of the AEGIS Combat System is the Raytheon AN/SPY-1B maritime radar. The role of the radar is to acquire and track targets such as planes and missiles and defend against them. Other electronic systems onboard include the Lockheed Martin AN/SQQ-89(V) Undersea Warfare / Anti-Submarine Warfare Combat System, the Raytheon AN/SLQ-32(V) Shipboard Electronic Warfare (EW) System, and the AN/SPQ-9B multi-purpose surface search and fire control radar.

The lead ship of the class, USS Ticonderoga (CG 47) and CGs 48 to 51 were decommissioned in 2004 and 2005 The U.S. Navy is currently modernizing Ticonderoga Class ships to ensure that the AEGIS Cruisers reach their projected 35-year service life. The modernized ships are expected to be more cost efficient to operate and their lives are extended to serve in the fleet through 2030. USS Anzio (CG-68) and USS Cape St. George (CG-71) begins modernization in FY 2017.

Armament/Ship Self-Defense:

The AEGIS Cruiser is equipped with two Mk 41 Vertical Launching Systems (VLS) that accommodate a total of 122 Standard Missile (SM-2/SM-6), Standard Missile (SM-3), RUM-139 VL-ASROC, and RGM-109E Tactical Tomahawk missiles. The ships are also equipped with two 5-inch Mk 45 127mm guns that provide surface fire support to forces on land and + an anti-ship gun capability; two Raytheon Mk 15 Phalanx 20mm Close In Weapon Systems (CIWS); two Mk 32 triple 324mm torpedo tubes with a total of six Mk 46/50/54 torpedoes; and three .50 caliber (12.7mm) machine guns.


The CG 47 AEGIS Cruiser provides an Anti-Air Warfare
(AAW), Undersea Warfare (USW), Naval Surface Fire Support (NSFS), and Surface Warfare (SUW) capability. AEGIS cruisers operate independently or as units of Carrier Battle Groups and Surface Action Groups, in support of the Marine Amphibious Task Forces in multi-threat environments that include air, surface and subsurface threats.

FY 2020 & FY 2021 - CG 47 DoD Program:

This data is available in Forecast International's U.S. Defense Budget Forecast, a comprehensive analytical database containing historical and forecast budget figures, year-to-year funding comparisons, congressional budget markups, program justification documents, and much more.

Source: U.S. Department of Defense (DoD), General Dynamics BIW,
Lockheed Martin Corp., and Raytheon Co.

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