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)
Researchers with the Naval Postgraduate School and NASA employ a REMUS 100 UUV to create a detailed map of a shallow environment off the coast of Florida on September 13, 2013. (DVIDS
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)
Chinese and Russian warship formations sail through the Tsugaru Strait during the naval exercise Joint Sea-2021 on October 18, 2021 in the Pacific Ocean. (Photo by Sun Zifa/China News Service via Getty Images)
A member of the 321st Contingency Response Squadron security team stands next to a Ghost Robotics Vision 60 prototype during the Advanced Battle Management System exercise on Nellis Air Force Base, Nevada, Sept. 1, 2020. (US Air Force)
A Ukrainian man stands in the rubble in Zhytomyr on March 02, 2022, following a Russian bombing the day before. (Photo by Emmanuel Duparcq/AFP via Getty Images)
A Taiwanese soldier in position during an Army Preparedness Enhancement Drill amid escalating Chinese tensions in Taiwan. (Photo by Ceng Shou Yi/NurPhoto via Getty Images)
T-72B3 tanks of the Russian Southern Military District's 150th Rifle Division take part in a military exercise at Kadamovsky Range. (Photo by Erik Romanenko\TASS via Getty Images)