Spaceflight Now | Breaking News | China poised for its next step in human spaceflight

「Chinese officials deployed nine tracking ships and 30 aircraft to stay in contact with Shenzhou 7 during the spacewalk, Wang said.」らしい。え、３０機もの航空機で何をするんだ・・・・。それに９隻って、そんなにあったっけ？ダウンレンジ船？