A pair of United States fighter aircraft, which have received electronic warfare upgrades, were deployed to a NATO air base in Europe, enhancing the alliance's defense. Russia's relations with the West are at their lowest point since the Cold War.

Dmitry Medvedev took aim at President Joe Biden on Sunday as he criticized the president's approach to the Russia-Ukraine war.

Sweden was spurred to join NATO in response to the security threat posed by Russia following its invasion of Ukraine. It has sent its troops to Latvia, which borders Russia and its ally Belarus. As a former Soviet republic, Latvia has highlighted the threat posed by Moscow after the war in Ukraine.

Germany met NATO's target to spend 2% of its gross domestic product on defence in 2024, the government said on Monday, though well short of incoming U.S. President Donald Trump's call for as much as 5%.

Russia is rearming faster than first thought for a potential attack on Nato, Germany’s military pointman on Ukraine has warned.

President Trump vowed that the State Department will have an "America first" foreign policy. Nick Schifrin discussed how the world is responding to Trump's inauguration with Jens Stoltenberg, the most recent secretary general of NATO who will become the chairman of the Munich Security Conference next month.

Congress passed legislation that a president cannot unilaterally withdraw from NATO, setting up a major legal fight if Trump tries to pull the US out.

Slovakia’s pro-Russian prime minister has raised the prospect of his country leaving the European Union and Nato, arguing that world events could consign them to the “history books”.

Russia is believed to be behind dozens of hybrid attacks, like arson or sabotage, on NATO soil since the Ukraine war started.

The mission, dubbed Baltic Sentry, follows worry over increased Russian military activity near key undersea communication cables.

Hundreds of Swedish troops have arrived in Latvia to join a Canadian-led multinational brigade along NATO’s eastern flank.