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)
Ukrainian servicemen fire a 2S7 Pion self-propelled cannon toward Russian positions in the Donetsk region on September 27, 2024. (Genya Savilov/AFP via Getty Images)
Palestinian youths inspect a fallen projectile after Iran launched a barrage of missiles at Israel in the occupied West Bank on October 1, 2024. (Zain Jaafar/AFP via Getty Images)