First American space walk. Astronaut Edward H. White floating in space during the Gemini 4 space mission. White spent 21 minutes outside the spacecraft on 3rd June 1965, becoming the first American to walk in space. He wore a specifically-designed spacesuit and was attached to the spacecraft by an 8-metre-long tether and umbilical line. A glove can be seen floating out of the open hatch. The Gemini 4 mission was launched on 3rd June 1965 and lasted 4 days, performing 62 orbits of the Earth. During the flight, White and fellow pilot James A. McDivitt performed a series of scientific and engineering experiments.