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)
Paratroopers assigned to the 3rd Brigade Combat Team, 82nd Airborne Division conduct a systems check on their VROD/VMAX electronic warfare equipment before conducting a tactical exercise in El Paso, Texas, on November 20, 2018. (US Army Photo)
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’s 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)
Chinese J-20 stealth fighters of the People's Liberation Army Air Force perform at Airshow China 2022 in Zhuhai, China, on November 8, 2022. (CNS/AFP via Getty Images)
Ships from the US, Japan, and Republic of Korea conduct a trilateral ballistic missile defense exercise in the Sea of Japan, on October 6, 2022. (US Navy Photo by Gray Gibson)
Japanese Prime Minister Fumio Kishida attends a news conference following the Quadrilateral Security Dialogue (Quad) leaders meeting at the prime minister’s official residence in Tokyo on May 24, 2022. (Photo by Kiyoshi Ota / POOL / AFP via Getty Images)
President Yoon Suk Yeol speaks during the celebration of the 77th National Liberation Day at Presidential House on August 15, 2022, in Seoul, South Korea. (Ahn Young-Joon - Pool/Getty Images)