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.
Dia terjun dari ketinggian 100.000 kaki, tepatnya 102.000 kaki. Dia melakukannya untuk menguji sistem ketinggian tinggi bagi pilot militer bagi pesawat baru yang akan terbang hingga sekitar 80.000 kaki.