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  1. The first eight Ohio-class submarines were armed at first with 24 Trident I C4 SLBMs. Beginning with the ninth Trident submarine, Tennessee , the remaining boats were equipped with the larger, three-stage Trident II D5 missile . [8]

  2. Mar 4, 2021 · Commissioned between 1981 and 1997, 18 Ohio -class nuclear-powered ballistic missile submarines (SSBNs) replaced the original 41 for Freedom SSBNs and became the largest submarines built by...

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  4. Sep 18, 2021 · The Navy first intended to scrap the four oldest of the massive submarines, but instead opted to overhaul and convert them to launch Tomahawk land-attack cruise missiles (TLAM) at a cost of...

  5. May 1, 2023 · Due to the declining threat, the average Ohio-class submarine now conducts an average of 2.3 patrols per year, down from 4.1 per year at the height of the Cold War. Each patrol lasts an average of ...

  6. Oct 16, 2019 · The first eight Ohio-class boats were originally built to launch the Trident I C4 ballistic missile—an advanced version of the earlier Poseidon SLBM.

  7. Nov 11, 2023 · The Connecticut-based Electric Boat Division of General Dynamics constructed the Ohio-class between 1981 and 1997. These ships were developed to operate for about fifteen years or longer. The...

  8. Apr 9, 2024 · They are the biggest ballistic missile submarines ever constructed by the U.S., with the first one, Ohio, being laid down nine years following the Will Rogers, the prior U.S. strategic missile submarine.

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