Chasing the Moon episode 2: What exactly was it going to take for America to beat the Soviets to the moon? Cold War tensions persisted, as rumours circulated that the Soviets were preparing to send an unmanned spacecraft to the moon. Nasa quickly developed the Gemini program, sending astronauts into orbit around the Earth to practice critical manoeuvres for the eventual trip to the moon. Ed White became the first American to walk in space, an experience so exhilarating that, when Houston ordered him back in the space craft, he replied, ‘Not yet!’. Nasa’s next-generation spacecraft, Apollo