jump , manned test flight , hot air balloon . 跳 ， 載人飛行試驗 ， 熱氣球 。

Jay Nemeth / Red Bull Stratos via AP
PhotoBlog - Daredevil jumps from 13.6 miles and he's going higher
http://photoblog.msnbc.msn.com/_news/2012/03/15/10707396-daredevil-jumps-from-136-miles-and-hes-going-higher