Inside History on Instagram: "Footage of an underwater atomic bomb test. This was the first underwater nuclear explosion conducted at a depth of 27-meters in Bikini Atoll lagoon on July 25, 1946, right after the conclusion of World War II. The 100-plus indigenous people living on Bikini Atoll at the time were moved to other islands in order to enable nuclear testing to begin. Footage frame rate increased, upscaled, and “colorized” using AI technology"