Walter Cronkite in the Reduced Gravity Simulator. Various views of Cronkite in the Lunar Landing Research Facility's Reduced Gravity Simulator which was used to train the astronauts for weightlessness. L68-8308 Caption: "During a 1968 visit to Langley, then CBS News Anchorman Walter Cronkite tries out the Reduced Gravity Simulator, a series of cable-supported slings designed to approximate the Moon's gravity, 1/6th that of Earth's." Photograph published in Winds of Change, 75th Anniversary NASA publication, p 91, by James Schultz.