In January 1967, audio was recorded during a routine ground test of the Apollo 1 spacecraft at Launch Complex 34. The recording comes from NASA’s ground communication loop, capturing radio transmissions between the capsule and mission control. The test ended when a sudden fire broke out inside the sealed capsule, leading to the loss of the three-man crew. The audio preserves the final moments of communication and was later used by investigators to understand how quickly the incident unfolded. Th