Huntington Ingalls Industries Completes Initial Sea Trials of Virginia-Class Submarine Indiana (SSN 789)

Huntington Ingalls Industries’ (HII) Newport News Shipbuilding division has successfully completed the initial sea trials on the newest Virginia-class submarine, the future USS Indiana (SSN 789).

The initial round of sea trials, known as alpha trials, provides an opportunity to test all systems and components. It includes submerging for the first time and high-speed maneuvers while on the surface and submerged.

Indiana is on schedule to be delivered to the U.S. Navy later this year.

“Sea trials is a significant milestone and the first major test of submarine’s capabilities at sea,” said Dave Bolcar, Newport News’ vice president of submarine construction. “We are pleased with how Indiana performed and look forward to continuing our testing program before we deliver the boat to the U.S. Navy later this year.”

USS Indiana (SSN-789)

USS Indiana (SSN-789) is the sixteenth Virginia-class fast attack submarine of the U.S. Navy and is named for the State of Indiana.

She is the sixth of the significantly redesigned Block III Virginia-class submarines, including a revised bow and Vertical Launching System (VLS) technology from the Ohio-class of guided missile submarines (SSGN).

She was constructed by Huntington Ingalls Industries (HII) Newport News Shipbuilding division in partnership with the General Dynamics Electric Boat division (GDEB) in Newport News, Virginia, with the initial contract awarded on 22 December 2008.

Construction of Indiana began in 2012. Her keel was laid on 16 May 2015 and she was launched on 9 June 2017. She was christened on 29 April 2017 and sponsored by Diane Donald, wife of Admiral Kirkland H. Donald, USN (ret). Her commissioning date is scheduled for 23 June 2018.

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