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)
An Iranian flag waves on a beach in Bushehr, Iran, home to Iran's first nuclear seaport, on April 28, 2024. (Morteza Nikoubazl/NurPhoto via Getty Images)
Japan's new prime minister, Shigeru Ishiba, arrives at the prime minister's official residence on October 1, 2024, in Tokyo, Japan. (Tomohiro Ohsumi via Getty Images)
Ukrainian soldiers on an M2 Bradley infantry fighting vehicle on February 23, 2024, in Donetsk Oblast, Ukraine. (Vitalii Nosach/Global Images Ukraine via Getty Images)