Europe

Russian Navy's diesel-electric Kilo class submarine Rostov-on-Don sails through the Bosphorus Strait on February 13, 2022. (Photo by Ozan Kose/AFP via Getty Images)

US Army National Guard Soldiers with Battery C conduct pre-mobilization training exercise America’s Shield on May 15, 2022, at McEntire Joint National Guard Base, South Carolina. (Tim Andrews via DVIDS)

An Azerbaijani checkpoint at the entry of the Lachin corridor on May 2, 2023. (Tofik Babayev/AFP via Getty Images)

John P. Walters takes part in a debate at Hudson Institute in Washington, DC, on April 24, 2023. (Madeline Mills/Hudson Institute)

(Screenshot via YouTube)

Servicemen belonging to the Ukrainian storm brigade take part in military exercises outside Kyiv on April 20, 2023. (Sergei Supinsky/AFP via Getty Images)

NATO Secretary General Jens Stoltenberg and Ukrainian President Volodymyr Zelensky shake hands during a joint a press-conference following their meeting in Kyiv, Ukraine, on April 20, 2023. (STR/NurPhoto via Getty Images)

Ukrainian soldiers fire targets on the front line in the direction of the city of Ugledar, Donetsk, Ukraine as Russia-Ukraine war continues on April 18, 2023. (Muhammed Enes Yildirim/Anadolu Agency via Getty Images)

The People's Liberation Army and the PLA Navy conduct a live-fire drill in Zhangzhou, China, on August 24, 2022. (CFOTO/Future Publishing via Getty Images)

Ukrainian sailors kept on their ship by Russian servicemen as Russian forces without insigna invide Crimea in Sevastopol, Ukraine, on March 5, 2014. (Pierre Crom via Getty Images)

An aerial view of the Pentagon in Washington, DC, on May 11, 2021. (DOD photo by Brittany A. Chase)