French President Emmanuel Macron warned that the global credibility of the U.S. and its NATO allies is on the line in Ukraine, as President Donald Trump attempts to end the Russian invasion once and for all.

Trump: “President Zelensky can end the war with Russia almost immediately, if he wants to, or he can continue to fight."

Special U.S. envoy Steve Witkoff says Russian leader Vladimir Putin agreed to allow the U.S. and Europe to offer Ukraine a security guarantee resembling NATO's collective defense mandate.

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."

Steve Witkoff says Vladimir Putin agreed at his summit with Donald Trump to allow the U.S. and European allies to offer Ukraine a security guarantee resembling NATO’s collective defense mandate.

Turkey's development of naval drones highlight how it is independently producing and innovating a layered defense system.

President Donald Trump on Sunday night declared that Kyiv would not be regaining Moscow-annexed Crimea, nor would it be allowed to join NATO.

Paul Marino of Themes ETFs discusses the outlook for defense stocks on both sides of the Atlantic as talks continue between the U.S., Russia and Ukraine over a potential end to the war in Ukraine.

"This latest strike against our energy security is outrageous and unacceptable!" Hungarian Foreign Minister Péter Szijjártó posted to X on Monday morning.