With peace in Ukraine still elusive, progress from U.S. initiatives have officials discussing a postwar security landscape.

NATO is designing multi-layered security guarantees to ensure Russia never attacks Ukraine again after any potential peace agreement, Secretary General Mark Rutte said, warning Moscow must be left in no doubt that any renewed attack would trigger a "devastating" response.

Ukraine has relinquished its ambition of joining the NATO military alliance in exchange for Western security guarantees as a compromise to end the war with Russia, President Volodymyr Zelenskyy said ahead of talks with U.S. envoys in Berlin.

Former Swedish Foreign Minister Tobias Billström said after the Ukraine war, Europe must be ready for further Russian aggression.

Russian Deputy Foreign Minister Sergey Ryabkov told ABC News during an exclusive interview in Moscow on Monday that he believes the warring parties are close to a deal.

NATO countries, including Canada, are falling behind Russia and China in the development of Arctic-capable drones — uncrewed aerial and land vehicles that are ideal for surveillance.

Russia annexed Crimea from Ukraine in 2014 and has used the Black Sea peninsula to launch attacks since its 2022 invasion.