USS Nebraska tests Trident II D5 missiles

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The Ohio-class ballistic missile submarine USS Nebraska (SSBN 739) along with the US Navy’s Strategic Systems Programs (SSP) conducted successful test flights of two Trident II D5 Missiles on March 26.

The unarmed test missiles were launched as part of Demonstration and Shakedown Operation (DASO) 28 in the Pacific Test Range off the coast of Southern California.

Built and upgraded by Lockheed Martin, the missiles were launched as a double mission test and were the key element of DASO 28, which marked the 166th and 167th successful test flights of the Trident II D5 missile since its introduction to the fleet in 1989.

As explained, the primary objective of the DASO is to evaluate and demonstrate the readiness of the SSBN’s strategic weapon system and crew before operational deployment following midlife refueling overhaul.

“The successful completion of DASO 28 was not only an important milestone in USS Nebraska’s return to service, but also an important demonstration of the reliable and credible sea-based leg of the U.S. nuclear deterrent triad,” Capt. Mark Behning, deputy director, SSP, said.

USS Nebraska (SSBN 739) is the 14th submarine of the Ohio-class of ballistic missile submarines (SSBNs). Assigned to Submarine Group 9, Nebraska is one of eight ballistic-missile submarines homeported at Naval Base Kitsap-Bangor, Wash.

The mission of the SSBN force is strategic deterrence, by providing the United States with its most survivable and enduring nuclear strike capability. Ohio-class submarines serve as an undetectable launch platform for submarine-launched ballistic missiles. They are considered the most survivable leg of the nuclear triad; the other legs being long-range bombers and land-based intercontinental ballistic missiles.

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