西科斯基大叔的战斗直升机?

来源:百度文库 编辑:超级军网 时间:2024/03/29 07:07:05
This is a photograph of Igor Sikorsky at the controls of his VS-300 Helicopter. It was on this day (September 14) in the year 1939 that Sikorsky made this historic first successful helicopter flight.This is a photograph of Igor Sikorsky at the controls of his VS-300 Helicopter. It was on this day (September 14) in the year 1939 that Sikorsky made this historic first successful helicopter flight.
晕,这不明说了是西科斯基的首发直升机么,39年9月14日
上面做的人就是西科斯基?