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Back in a flash
A NASA ER-2 takes off from MacDill Air Force Base, Fla., to conduct terrestrial gamma-ray flash, or TGF, research in the Gulf of Mexico July 13, 2023. The Airborne Lightning Observatory for TGFs campaign is a collaboration between NASA and the University of Bergen, Norway, to study the advanced science of high-energy radiation emissions, also known as dark lightning, from thunderstorms. (U.S. Air Force photo by Airman 1st Class Zachary Foster)

Photo by: Airman 1st Class Zachary Foster |  VIRIN: 230712-F-IA158-9069.JPG