US Navy
The USS Eisenhower transits the Mediterranean Sea alongside the Charles de Gaulle in 2016.
Nuclear-powered aircraft carriers are more effective than conventionally-powered carriers for two basic reasons.
One, nuclear power provides more energy for catapults and sensors than fossil fuel; and two, the lack of fossil fuels onboard also frees up a lot of space for more missiles and bombs.
But there are only two countries in the world with nuclear-powered aircraft carriers: the United States and France.
France has one nuclear-powered carrier, the Charles de Gaulle. The US has a fleet of 11 nuclear-powered carriers, including two different classes, the Nimitz and Gerald R. Ford classes.
But the Ford-class only has one commissioned carrier, the USS Gerald R. Ford, and it has yet to see combat, while the USS Nimitz was commissioned in 1975, and has seen plenty.
The Charles de Gaulle, which was commissioned in 2001, has also seen combat for over a decade.
So we've compared the tried-and-trusted Nimitz and Charles de Gaulle classes to see how they stack up.
And there's a clear winner - take a look.