8.2K views · 159 reactions | America launched its first satellite, Explorer 1, #OTD in 1958, a mere four months after the Soviets launched Sputnik. But what if the Navy's December 1957 launch of Vanguard had been successful? Would NASA have been created? Travel back to the 1950s with this Explorer 1 documentary on NASA+ ▶️ https://go.nasa.gov/4hcf5Kk | NASA History | Facebook

29K views · 402 reactions | #OTD in 1957, the Soviet Union successfully launched Sputnik 1, beating the US to launch the first man-made satellite into space. Learn about the space race and the trials of the Cold War in Atomic Age Declassified: Spies in Space tonight at 11 pm. #SpaceWeek #WorldSpaceWeek | Smithsonian Channel Aviation Nation | Facebook