Among the many roles the stealth, fifth-generation F-35 Lightning II can perform is that of a tactical nuclear bomber.

The U.S. will expand an air base in Eastern Europe to house nuclear-capable fighter jets, according to a new report, after years of cultivating closer ties with Hungary under broader efforts to strengthen the NATO alliance's borders with Russia.

The North Atlantic Alliance launches Steadfast Noon. NATO's nuclear deterrence exercise is held every October. “Nuclear deterrence is the cornerstone of Allied security,” NATO Secretary General Mark Rutte says.