Retired U.S. Army Lt. Gen. Douglas Lute, who also served as an ambassador to NATO, discusses possible next steps following Monday's White House meeting.

NATO Secretary-General Mark Rutte praised President Trump as a “pragmatic peacemaker” in a Monday interview, after the U.S. president hosted Ukrainian President Volodymyr Zelensky and other European leaders at the White House for a “very successful” series of talks.

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.

NATO Secretary-General Mark Rutte praised President Trump during a White House meeting on Monday for "breaking the deadlock" of the Ukraine War by starting a dialogue with Russia. "I really want to thank you,

NATO Secretary General Mark Rutte gives insight on the talks between President Donald Trump, Volodymyr Zelenskyy and European leaders, security guarantees for Ukraine and more on 'The Ingraham Angle.'

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."

CNN data analyst Harry Enten reports that the majority of Ukrainians want to find a way to end the ongoing conflict with Russia. JOHN BERMAN, CNN HOST: That was Ukrainian President Volodymyr Zelenskyy in the hours leading up to his meeting at the White House today with President Trump.

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

Russia’s foreign ministry spokeswoman Maria Zakharova on Monday warned NATO leaders against deploying troops in Ukraine as world leaders work to bring about an end to the nearly three-years long

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

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.