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 Independence-variant littoral combat ship USS Tulsa approaches the dry cargo ship USNS Amelia Earhart for a replenishment in the South China Sea on February 19, 2022. (US Navy photo by Devin M. Langer)
Chiang Wan-an, Taipei mayoral candidate of the opposition Kuomintang (KMT), celebrates his victory in local elections on November 26, 2022, in Taipei, Taiwan. (Louise Delmotte/Getty Images)
Secretary of Defense Lloyd J. Austin III and Army Gen. Mark A. Milley, chairman of the Joint Chiefs of Staff, meet with Republic of Korea鈥檚 Minister of Defense Suh Wook for the 53rd US-Republic of Korea Security Consultative Meeting in Seoul, South Korea, on December 2, 2021. (DOD Photo by Navy Chief Petty Officer Carlos M. Vazquez II)
A US Navy Douglas F4D-1 Skyray assigned to Carrier Air Group 21 (CVG-21) aboard the aircraft carrier USS Lexington in flight off Taiwan, circa 1958. (Wikimedia Commons)