Diesel-electric (non-nuclear) submarines typically have more limited operational range and endurance than nuclear-powered submarines.
October 30, 2025
high
descriptive
Comparison of propulsion types for submarines and their operational implications.
Nuclear propulsion is used in key components of the United States naval fleet, including nuclear-powered submarines.
October 30, 2025
high
descriptive
Role of nuclear-powered vessels within U.S. naval capabilities.
The advanced technologies and sensitive knowledge required to design and build nuclear-powered submarines are subject to tight export controls and are closely guarded by United States authorities.
October 30, 2025
high
policy
Security and export-control considerations around nuclear-propulsion technology.
Submarines can be nuclear-powered for propulsion while being conventionally armed (not carrying nuclear weapons).
October 30, 2025
high
descriptive
Distinction between a submarine's propulsion method and its weapons payload.
Nuclear-powered submarines are weapons systems that can pose significant regional security threats when operated by adversary states.
October 29, 2025
medium
general
Describes the general strategic and security implications of states operating nuclear-powered submarines.
Nuclear-powered submarines have substantially greater endurance and can remain submerged for significantly longer periods than diesel-powered submarines.
high
technical
Nuclear propulsion provides a sustained power source that eliminates the need for frequent surfacing to recharge batteries, extending underwater endurance.