Non-nuclear countries must explore new deterrence options, Budanov says
U.S. weighs expanding nuclear arsenal in Europe to offset troop cuts
Ukrainian error caused Finland drone scare
Merz to gather European leaders to craft plan for improving ties with U.S.
Europe fears Russian attack within 12 months — report
U.S. to sharply cut NATO force contribution — report
Zelenskyy: U.S. still key to help end war
Trump overruled Hegseth on Poland troop deployment — report
Ukraine to send drone experts to Lithuania, Latvia
Pistorius urges Europe to bolster defenses as Trump weighs Germany pullback
Ukraine surviving Russia's first strike transformed European security, Polish general says
No chance of NATO simply fading away, former official says
EU to wargame mutual defense clause — report
Rutte: Ukraine unlikely to join NATO anytime soon
NATO, Russia discussed pulling forces to 1997 borders before 2022 Ukraine invasion
Ukraine, Bulgaria sign 10-year security pact
Lithuanian intelligence: Russia ready to fight NATO in six years
Finland moves to ease nuclear regulations
Poland will eventually seek its own nuclear weapons, PM says