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)
An unmanned underwater vehicle (UUV) operator recovers a MK 18 MOD 2 UUV after an operational test off the coast of Bahrain on October 20, 2015. (US Navy Photo by Jonah Stepanik)
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)
An UH-60 Blackhawk flies over the runway during a series of 5G avionics tests on March 2,
2022, at Hill Air Force Base, Utah. (US Air Force photo by Cynthia Griggs)