European Commission President Ursula von der Leyen greets Ukraine's President Volodymyr Zelensky as he arrives at the Special European Council in Brussels on March 6, 2025. (Nicolas Tucat/AFP via Getty Images)
The Skydio X10D drone flies during a counter-uncrewed aerial systems training exercise at Grafenwoehr Training Area in Bavaria, Germany, on February 13, 2025. (US Army photo)
Gunners from the Armed Forces of Ukraine fire at Russian position with a 155 mm self-propelled howitzer 2C22 in the Kharkiv region on April 21, 2024. (Anatolii Stepanov/AFP via Getty Images)
Chinese sailors stand next to a submarine rescue ship Hongzehu from the PLA Navy as it is docked on April 23, 2024, in Qingdao, China.(Kevin Frayer via Getty Images)
The Skydio X10D drone flies during a counter-uncrewed aerial systems training exercise at Grafenwoehr Training Area in Bavaria, Germany, on February 13, 2025. (US Army photo)
The first of two Terminal High Altitude Area Defense (THAAD) interceptors is launched during a successful intercept test on September 10, 2013. (Missile Defense Agency photo)
Airmen from the 1st Air Support Operations Group utilize data links as part of Exercise Chaos Quate at Moody Air Force Base on March 15, 2022. (US Air Force photo by 1st Lt Katie Tamesis)
A MARTAC T-24 unmanned surface vehicle (USV) drives autonomously during a demonstration for NATO mine countermeasures personnel as part of exercise Baltic Operations 2023 (BALTOPS 23). (DVIDS)