It was precisely because Zhou Xian possessed endless knowledge that he had the confidence to bring human beings into a second-level civilization.

"The V2 rocket is liquid fueled, 13 meters long, has a range of 300 kilometers, and can reach speeds of more than 5,000 kilometers per hour."

Zhou Xian ignored everyone's shock and continued to speak.

Hearing this, everyone was shocked again.

This span is too big, just finished manufacturing a rocket with a range of 50 kilometers, and now it will be launched

"Da Ming: Spoilers at the beginning, Chongzhen, revive the rivers and mountains" Chapter 348 I'm afraid this battle is not easy to fight is in the middle of the fight, please wait a moment,

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