What was the name of the first US atomic submarine launched in 1954?

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What was the name of the first US atomic submarine launched in 1954? Answer: USS Nautilus

The USS Nautilus (SSN-571) was the first nuclear-powered submarine in the world. It was launched by the United States Navy in 1954, revolutionizing naval propulsion by allowing submarines to operate underwater for extended periods without surfacing. This marked a major milestone in naval and atomic technology.

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This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.