The Ohio-class submarine USS Florida, a converted guided-missile submarine (SSGN) capable of carrying 154 Tomahawk missiles, has a remarkable service history, including being the first of its class to fire Tomahawks in combat.

In 2015, a small French submarine called the Saphir snuck past the defenses of the USS Theodore Roosevelt aircraft carrier and "sunk" it in training.

President Trump on Friday confirmed a U.S. military strike on an alleged "drug-carrying submarine" in the Caribbean. Why it matters: Thursday's attack is the first known instance of the U.S. capturing survivors from a suspected drug-carrying vessel from Venezuela,

President Donald Trump said two narco-terror suspects survived a U.S. military strike on a drug-carrying submarine, claiming it carried fentanyl and could have killed 25,000 Americans.

The U.S. military destroyed a submarine in the Caribbean used for drug smuggling, President Donald Trump confirmed Friday. The strike follows prior actions against at least five surface vessels allegedly operated by Venezuelan cartels.

A U.S. drone strike conducted on Thursday against a drug smuggling submersible vessel in the Caribbean left at least two survivors.

President Trump met with Australian Prime Minister Anthony Albanese to sign an agreement on rare earth minerals and discuss the AUKUS nuclear submarine deal. NBC News' Garrett Haake reports that Trump went to "great lengths not to antagonize" Chinese President Xi Jinping during the conversation.