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U.S. Navy Trident II D5 Missile Achieves 126 Successful Test Flights since 1989

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23 February 2009

SUNNYVALE, Calif.- The U.S. Navy conducted a successful test flight Feb. 13 of a Trident II D5 Fleet Ballistic Missile (FBM) built by Lockheed Martin (NYSE: LMT). The Navy launched the unarmed missile from the submerged submarine USS Alabama (SSBN 731) in the Pacific Ocean.

The Trident II D5 missile now has achieved 126 successful test flights since 1989 – a record unmatched by any other large ballistic missile or space launch vehicle.

“The Navy’s Strategic Systems Programs has achieved this level of performance with its effective leadership and partnership with the entire Navy and industry team,” said Melanie A. Sloane, vice president of Fleet Ballistic Missile programs, Lockheed Martin Space Systems Company, the Navy’s Trident missile prime contractor. “The D5 missile’s record of success underscores the readiness and reliability of this key element of our nation’s strategic defenses.”

The U.S. Navy launched the missile as part of a Demonstration and Shakedown Operation (DASO) to certify USS Alabama for deployment, following a shipyard overhaul period and conversion from Trident I C4 to Trident II D5 configuration. For the test, a missile was converted into a test configuration using a test missile kit produced by Lockheed Martin that contains range safety devices and flight telemetry instrumentation.

First deployed in 1990, the D5 missile is currently aboard OHIO-class submarines and British VANGUARD-class submarines. The three-stage, solid-propellant, inertial-guided ballistic missile can travel a nominal range of 4,000 nautical miles and carries multiple independently targeted reentry vehicles.

Lockheed Martin Space Systems Company, Sunnyvale, Calif., is the prime contractor and program manager for the U.S. Navy’s Trident missile. Lockheed Martin Space Systems employees, principally in California, Georgia, Florida, Washington, Utah and Virginia, support the design, development, production, test and operation of the Trident Strategic Weapon System. Lockheed Martin Space Systems has been the U.S. Navy’s prime strategic missile contractor since the inception of the program more than 50 years ago.

The test also involved the Lockheed Martin-integrated navigation subsystem that provides navigation data required to support today’s stringent Trident Weapon System performance requirements. Lockheed Martin Maritime Systems & Sensors Undersea Systems at Mitchel Field, N.Y., has been the prime contractor for the navigation subsystem aboard fleet ballistic missile submarines since 1955.

Altogether, nearly 3,000 employees throughout the Lockheed Martin Corporation support the Navy’s Fleet Ballistic Missile program.

The US Navy gives the range as 'greater than 7,360km' but this could be up to 12,000km depending on the payload mix. Missile guidance is provided by an inertial navigation system, supported by stellar navigation.

Trident II is capable of carrying up to 12 MIRVs (multiple independent re-entry vehicles), although the SALT treaty limits this number to eight a missile.


Archive photo: Trident II D5 Intercontinental Submarine-Launched Ballistic Missile (SLBM).
 
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ATK Awarded $90 Million Contract for Trident II Solid Rocket Propulsion Systems
25 February 2009

MINNEAPOLIS, Feb. 25 /PRNewswire-FirstCall/ -- Alliant Techsystems has received a $90 million contract from Lockheed Martin to produce solid rocket propulsion systems for all three stages of the U.S. Navy's Trident II (D-5) Fleet Ballistic Missile (FBM).

Under terms of the annual contract, ATK will continue to supply Trident solid rocket propulsion systems to the Trident II (D-5) Missile System Prime Contractor, Lockheed Martin Space Systems Company, Sunnyvale, Calif, through 2011. Deployed in 1990, Trident II (D-5) is the only U.S. submarine-launched strategic missile system in production today.

"ATK is pleased to support Lockheed Martin and the U.S. Navy on this critical program and looks forward to continued success on this joint effort," said Blake Larson, president of ATK Space Systems.
ATK is the world's leading supplier of solid rocket motors. It has a 52-year history of producing solid propulsion systems for submarine-launched ballistic missiles, beginning with the Polaris missile and continuing through the Trident II (D-5) FBM. The company's solid rocket portfolio ranges from 3-inch diameter spin motors to the Space Shuttle's Reusable Solid Rocket Motors (RSRM).
 
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