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 soldier with the 781st Military Intelligence Battalion conducts cyberspace operations at the National Training Center at Fort Irwin in California on May 9, 2017. (Army Cyber Command photo by Bill Roche)
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’s 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)
An F-22 Raptor assigned to the 94th Fighter Squadron, Joint Base Langley-Eustis, Virginia, takes off for a Red Flag 23-1 mission at Nellis Air Force Base in Nevada on January 24, 2023. (US Air Force Photo by William R. Lewis)