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)
A researcher works in a lab that is developing testing for the COVID-19 coronavirus at Hackensack Meridian Health Center for Discovery and Innovation on February 28, 2020 in Nutley, New Jersey (Photo by Kena Betancur/Getty Images)
Medical laboratory scientist, Aniela Sobel, tests serology samples from the Novavax phase 3 Covid-19 clinical vaccine trial at the UW Medicine Retrovirology Research Lab at Harborview Medical Center on February 12 (Photo by Karen Ducey/Getty Images)
Researchers at the UW Medicine Retrovirology Lab at Harborview Medical Center work on samples from the Novavax phase 3 Covid-19 clinical vaccine trials on February 12, 2021 in Seattle, Washington. (Photo by Karen Ducey/Getty Images)