Ohio-class ballistic missile submarine launches Trident II D5LE missiles.

According to a tweet published by Chris Cavas on October 25, 2021, the Ohio-class ballistic missile submarine USS WYOMING test-launched two Trident II D5LE missiles while submerged off Florida's Atlantic coast during a Demonstration & Shakedown Operation (DASO) pre-deployment qualification.
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US Navy's Ohio-class ballistic missile submarine USS WYOMING firing Trident II D5LE missile (Picture source: Twitter account of Chris Cavas)

USS Wyoming (SSBN-742) is a United States Navy Ohio-class ballistic missile submarine that has been in commission since 1996. She is the fourth U.S. Navy ship to be named USS Wyoming, although it was only the third named after the state of Wyoming.

The Ohio class of nuclear-powered submarines includes the United States Navy's 14 ballistic missile submarines (SSBNs) and its four cruise missile submarines (SSGNs). Each displacing 18,750 tons submerged, the Ohio-class boats are the largest submarines ever built for the U.S. Navy. They are the world's third-largest submarines, behind the Russian Navy's Soviet-designed 48,000-ton Typhoon class and 24,000-ton Borei class. Ohio carries more missiles than either: 24 Trident II missiles apiece, versus 16 by the Borei class (20 by the Borei II) and 20 by the Typhoon class.

The UGM-133A Trident II or Trident D5 is a submarine-launched ballistic missile (SLBM), built by Lockheed Martin Space in Sunnyvale, California, and deployed with the American and British navies.