U.S Navy captain Bruce McCandless II, on the NASA Space Shuttle Challenger’s STS 41-B mission, becomes the first human being to do a spacewalk without a safety tether linked to a spacecraft on February 7, 1984.
McCandless donned a backpack mobility device—the Manned Maneuvering Unit—and ventured about 320 ft (98 m) away from the vehicle, becoming the first human satellite. His solo ride lasted 1 hour and 22 minutes. More