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)
China's DF-41 nuclear-capable intercontinental ballistic missiles are seen during a military parade at Tiananmen Square in Beijing on October 1, 2019 (Photo by GREG BAKER/AFP via Getty Images)
China's DF-41 nuclear-capable intercontinental ballistic missiles are seen during a military parade at Tiananmen Square in Beijing on October 1, 2019, to mark the 70th anniversary of the founding of the People's Republic of China (Photo by GREG BAKER / AF
hina's President Xi Jinping applauds during his participation in the Australia China state and provincial leaders forum on November 19, 2014 in Sydney, Australia (Jason Reed - Pool/Getty Images)