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)
Vladimir Putin shakes hands with Chairman of the Standing Committee of the National People鈥檚 Congress of China Li Zhanshu at the Eastern Economic Forum in Primorye, Russia, on September 7, 2022, on the heels of the Vostok 2022 joint military exercises between Russia and China. (TASS)
A US Air Force B-1B long-range bomber and F-16 fighter jet fly over the Canadian Arctic during North American Aerospace Defense Command鈥檚 Arctic air defense exercise, "Amalgam Dart 21-2" on March 24, 2021. (US Air Force)
The Ohio-class ballistic missile submarine USS Louisiana transits Puget Sound following a 41-month engineered refueling overhaul at Puget Sound Naval Shipyard and Intermediate Maintenance Facility on February 9, 2023. (US Navy photo by Brian G. Reynolds)
A Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) poster displaying North Korean nuclear tests on February 12, 2013, at the CTBTO headquarters in Vienna, Austria. (Dieter Nagl/AFP via Getty Images)
A formation of Dongfeng-41 nuclear missiles in a military parade celebrating the seventieth anniversary of the founding of the People's Republic of China in Beijing, China, October 1, 2019. (Photo by Xia Yifang/Xinhua via Getty Images)
Senior Airman Andrew Parrish performs maintenance on the forward section of an ICBM's reentry system on February 2, 2018, at the F. E. Warren Air Force Base missile complex in Wyoming. (Braydon Williams via DVIDS)
A Russian RS-24 Yars intercontinental ballistic missile during Victory Day parade rehearsals on May 7, 2022, in Moscow, Russia. (Contributor/Getty Images)