A robot from AgiBot is seen during the Global Developer Conference, organized by the Shanghai AI Industry Association, in Shanghai on February 21, 2025. (Hector Retamal via Getty Images)
From a balcony in the Ministry of Health Building in London, Prime Minister Winston Churchill addresses a huge crowd on May 8. 1945 (Victory in Europe Day). (Getty Images)
The Air Force Research Laboratory’s XQ-67A Off Board Sensing Station, or OBSS, takes its maiden flight on February 28, 2024, from Gray Butte Field Airport in Palmdale, California. (DVIDS)
Wild peach and apricot flowers are in full bloom in Yanqing District, encircling the Longquanyu Great Wall on March 25, 2025, in Beijing. (Hao Jihong via Getty Images)
A gas well drill is seen at Campo Maripe, a field claimed by the Mapuche indigenous community, in Anelo, Argentina, on November 27, 2019. (Getty Images)
Russian President Vladimir Putin and Chinese President Xi Jinping attend a festive reception for foreign leaders attending celebrations of Victory Day on May 9, 2025. (Getty Images)
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)
Leaders of Brazil, Russia, India, China, and South Africa at the BRICS Summit in Xiamen, China, on September 4, 2017. (Kenzaburo Fukuhara/AFP via Getty Images)
American and Australian C-17 Globemasters take part in an aerial maneuver training mission in Honolulu, Hawaii, on May 4, 2022. (US Airforce photo by Makensie Cooper)
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)