Biggest U.S Submarine Ever Built

The Ohio class of nuclear-powered submarines, including 14 ballistic missile submarines (SSBNs) and the 4 cruise missile submarines (SSGNs), are the biggest submarines of the U.S. Navy. The lead vessel of the class is USS Ohio (SSBN-726).

Every SSBN sub has 20 Trident II ballistic missiles, and each SSGN can carry 154 Tomahawk cruise missiles, along with Harpoon missiles fired through its torpedo tubes.

The submarines are 170 m long and 13 m wide with a 10.8 m draft. They can attain a speed of 12 knots when on the surface and 20 knots when they are submerged. Each submarine displaces 18,750 tonnes when submerged and can carry 24 Trident II missiles.

They are the 3rd largest subs ever constructed, behind Russia’s Typhoon Class and the Borei Class.

These subs together carry around half of U.S. active thermonuclear warheads. All the Ohio-Class Submarines, apart from USS Henry M. Jackson are named after the U.S. States.

Additionally, this class of subs has enhanced stealth capabilities than their