National Security and Defense

NATO Secretary General Jens Stoltenberg, President of Poland Andrzej Duda, and President Joe Biden at the B9 Summit in Poland on February 22, 2023. (NATO via Flickr)

(Screenshot via C-SPAN)

A soldier with the 781st Military Intelligence Battalion conducts cyberspace operations at the National Training Center at Fort Irwin in California on May 9, 2017. (Army Cyber Command photo by Bill Roche)

(Screenshot via YouTube)

Russian President Vladimir Putin speaks to China's President Xi Jinping during the Shanghai Cooperation Organisation leaders' summit in Samarkand, Uzbekistan, on September 16, 2022. (Photo by Sergei Bobylov/Sputnik/AFP via Getty Images)

Vladimir Putin shakes hands with Chairman of the Standing Committee of the National People’s Congress of China Li Zhanshu at the Eastern Economic Forum in Primorye, Russia, on September 7, 2022, on the heels of the Vostok 2022 joint military exercises between Russia and China. (TASS)

US Marines with 5th Battalion, 11th Marine Regiment, 1st Marine Division, drive an M142 High Mobility Artillery Rocket System onto a US Air Force C-5 Galaxy during a loading exercise at Marine Corps Air Station Camp Pendleton in California on February 7, 2023. (US Marine Corps photo by Cameron Hermanet)

The B-21 Raider at a public unveiling ceremony on December 2, 2022, in Palmdale, California. (US Air Force)

A Ukrainian army artillery crew dismounts from a self-propelled 122mm howitzer after firing on a Russian position on February 18, 2023, near Bakhmut, Ukraine. (John Moore/Getty Images)

A US Air Force B-1B long-range bomber and F-16 fighter jet fly over the Canadian Arctic during North American Aerospace Defense Command’s Arctic air defense exercise, "Amalgam Dart 21-2" on March 24, 2021. (US Air Force)

Ukrainian President Volodomyr Zelenskyy in Kyiv, Ukraine, on February 27. 2023. (President of Ukraine via Flickr)

Participants drill shooting positions at a combat training day hosted by a local paramilitary civil formation called TSEL on February 22, 2023, in Lviv, Ukraine. (Sean Gallup/Getty Images)