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 said on Monday NATO membership for Ukraine was not under discussion but that there was a discussion on "Article 5" type security guarantees for the country that Russia invaded in February 2022.

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.

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

Russian leader Vladimir Putin agreed at his summit with President Donald Trump that the United States and its European allies could offer Ukraine a security guarantee resembling NATO’s collective defense mandate as part of an eventual deal to end the war,

Rheinmetall stock is rated a buy with 50% upside potential as NATO targets 3.5% GDP defense spending. Read here for an analysis of RNMBY stock.

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."

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.