Center on Europe and Eurasia

The Crimean Tatar flag flies on a flagpole in front of the Lviv Oblast Military Administration on May 17, 2024, in Lviv, Ukraine. (Stanislav Ivanov via Getty Images)

German Air Force helicopters get ready to take off in Panevezis, Lithuania, on May 6, 2025, during the Griffin Lightning 2025 military exercises. (Getty Images)

US Vice President JD Vance speaks with NATO Secretary General during a meeting in Munich, southern Germany, on February 14, 2025. (Tobias Schwarz via Getty Images)

A NATO flag seen during the NATO Dragon 24 military exercise on March 4, 2024, in Korzeniewo, Poland. (Getty Images)

Taliban security personnel stand guard as Muslim devotees arrive in Kabul on March 30, 2025. (Ahmad Sahel Arman via Getty Images)

Communal workers clean debris next to a damaged residential building following a Russian drone attack in Odesa, Ukraine, on June 10, 2025. (Oleksandr Gimanov via Getty Images)

Britain's Prime Minister Keir Starmer and Britain's Defence Secretary John Healey stand in front of a Royal Navy F-35B Lightning fighter jet on the flight deck of the British aircraft carrier HMS Prince Of Wales on April 24, 2025. (Richard Pohle via Getty Images)

German Chancellor Friedrich Merz listens to a reporter's question during a meeting with US President Donald Trump in the Oval Office on June 5, 2025, in Washington, DC. (Anna Moneymaker via Getty Images)

US President Donald Trump, accompanied by Defense Secretary Pete Hegseth, speaks during a Cabinet meeting at the White House on February 26, 2025, in Washington, DC. (Andrew Harnik via Getty Images)

(Screenshot via YouTube)

(Screenshot via The Hill)

The NATO flag is seen at the NATO headquarters building on April 4, 2025, in Brussels, Belgium. (Omar Havana via Getty Images)