It was on this day 50 years ago when the launch of a prototype rocket known as the R-16 went seriously wrong.

五十年前的这一天，R - 16火箭原型的发射出现严重错误。

youdao

It was on this day 50 years ago when the launch of a prototype rocket known as the R-16 went seriously wrong.

五十年前的这一天，R - 16火箭原型的发射出现严重错误。

youdao