Projectile cartridge cases are heated in the heat treat shop as a part of the production process at Scranton Army Ammunition Plant on December 8, 2023. (DVIDS)
A US nuclear fusion engineer inspects a target chamber at the National Ignition Facility in California, a future test site for light-induced nuclear fusion. (Getty images)
European leaders, NATO Secretary General Mark Rutte, and Ukrainian President Volodymyr Zelenskyy pose for a family photo on December 15, 2025, at the Chancellery in Berlin, Germany. (Getty Images)
President Joe Biden talks with Energy Secretary Jennifer Granholm during a tour of the National Renewable Energy Laboratory Flatirons Campus in Arvada, Colorado, in September 2021. (Official White House Photo by Adam Schultz)
Sailor mechanics filling a plane with gasoline at Naval Air Station Corpus Christi, Texas, in August 1942. (Universal History Archive via Getty Images)
Aerial view of the Diablo Canyon the only operational nuclear plant left in California due to be shutdown in 2024 on December 1, 2021, Avila Beach, California. (George Rose via Getty Images)