Business Insider flew aboard the decades-old aircraft during a recent surveillance mission. NATO plans to replace the E-3 in the coming years.

Poland, a NATO country, was forced to scramble jets due to Russian missile and drone strikes on Ukraine just across its border and far from the front line.

NATO did not provide any information about what the Russian aircraft may have been doing, but said they were "not adhering to international norms" when the jets were mobilized.

NATO's newest member is deploying a fighter jet that is designed for a fight with Russia to protect alliance borders for the first time. Sweden's armed forces said six of the country's JAS 39 ...

NATO war jets have been forced to scramble after Vladimir Putin unleashed a terrifying drone strike on Odesa. It comes as hopes of ending the gruelling conflict continue to falter after

Captain Mark Lawrence, commodore of Destroyer Squadron Two and sea combat commander aboard the Gerald R. Ford, told U.S. Naval Forces Europe-Africa on Sunday: "Our collective surface force's transit into the North Sea reaffirms our resolve to enhance peace, stability and deterrence across the European continent."

Ukraine's European allies have prioritized securing security guarantees for Kyiv as a core precondition for any deal to end the Ukraine war.