Astronaut Edward White on his minute space walk during the Gemini mission In his right hand he carries a Hand Held Self Maneuvering Unit used to move about the weightless environment of space White died along with astronauts Virgil Gus Grissom and Roger B Chaffee during prelaunch testing for the first manned Apollo mission at Cape Canaveral brbrAstronaut Edward White the first American to walk in space on June colour photo Bridgeman Images