"Rhetoric sometimes turns into action in unpredictable ways," a former senior U.S. arms control official told Newsweek.

The Russian and Chinese militaries practiced destroying an "enemy" submarine during joint naval drills Wednesday, just days ...

American nuclear forces consist of ballistic missile submarines, land-based intercontinental ballistic missiles, and bomber ...

The Kremlin warned Monday against “nuclear rhetoric” after President Trump repositioned two nuclear submarines because of ...

Former Navy Capt. and Pentagon adviser Gene Moran said submarine positioning is “rarely” talked about, and Trump may have ...

Russia urged caution after Trump claimed he redeployed nuclear subs in response to provocative remarks by a senior Russian ...

Heightened tensions with Russia stem from President Trump's ultimatum to Moscow: make peace with Ukraine or brace for ...

The Kremlin has tried to calm tensions in a feud between Trump and Medvedev that spiraled into nuclear threats.

President Donald Trump issued a rare threat of nuclear escalation on Friday, saying he had ordered two nuclear submarines to ...

By Phil Stewart, Jonathan Landay and Ryan Patrick Jones WASHINGTON (Reuters) -U.S. President Donald Trump on Friday said he ...

President Trump confirms nuclear submarines are positioned in region as special envoy Steve Witkoff prepares to visit Russia ahead of ceasefire deadline.

Donald Trump has now said two U.S. nuclear submarines are "where they have to be" — days after ordering their deployment ...