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)
The Virginia-class, fast-attack submarine USS Indiana transits the Thames River as it arrives in Groton, Connecticut, on October 29, 2018. (US Navy photo by Steven Hoskins)
Sailors assigned to Explosive Ordnance Disposal Group 2 conduct pre-dive checks during recovery efforts of a high-altitude balloon in the Atlantic Ocean on February 7, 2023. (US Navy photo by Ryan Seelbach)
A United Launch Alliance Atlas V rocket launches from Cape Canaveral Space Force Station in Florida on August 4, 2022. (US Space Force photo by Dakota Raub)
Sailors assigned to Assault Craft Unit 4 prepare material recovered in the Atlantic Ocean from a high-altitude balloon for transport to federal agents at Joint Expeditionary Base Little Creek on February 10, 2023. (US Navy photo by Ryan Seelbach)
Sailors assigned to Assault Craft Unit Four operate landing craft air cushions during recovery efforts of a high-altitude balloon in the Atlantic Ocean, on February 8, 2023. (US Navy Photo by Ryan Seelbach)