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)
German Chancellor Olaf Scholz (R) and U.S. Vice President Kamala Harris (L) pose for the media ahead of bilateral talks at the 2022 Munich Security Conference on February 19, 2022, in Munich, Germany. (Getty ImagesV
A visual representation of the digital Cryptocurrency Bitcoin is on display in front of the Bitcoin course's graph on October 21, 2021 in Paris, France. (Photo illustration by Chesnot/Getty Images)
In this photo illustration, a visual representation of the digital Cryptocurrency, Bitcoin is on display on February 09, 2021 in Paris, France. (Photo illustration by Chesnot/Getty Images)