He did a jump from 100,000 feet, 102,000 to be precise, and he did it to test high altitude systems for military pilots in the new range of aircraft that were going up to 80,000 feet or so.
他从10万英尺高跳下，准确的说是10万零两千英尺。 他这么做事为了军队飞行员 测试高海拔系统， 新型飞行器能达到大约8万英尺的高度。