(Guihai August 22), September 28, 1983, SL-4 launch vehicle explosion. September 28, 2011,

1983, the T-10 spacecraft SL-4 launch vehicle propulsion in the Soviet Tiyou December Gautam launch site on the launch pad, suddenly caught fire and exploded. The accident, whether it is the first time in the history of the United States or the Soviet Union's manned spaceflight. Union T-10 spacecraft took off a few seconds before the sensor on the SL-4 rocket booster has been measured to a dangerous accident occurred, then a booster explosion. Fortunately the escape rocket timely instruction ignition before astronauts rescued from a sea of ​​fire will escape. Increase in the ignition moment, the word astronauts withstand 15 accelerator of momentum. The escape rocket lifesaving equipment is automatically disengaged its ejection of distance, about four kilometers away from the launch tower, landing, word astronauts under mild concussion. The life-saving equipment that emergency from the tower literally translated as the escape tower.