C580 Secret weapon

Maybe it was because they all had the same thought, but when Zhang Chun was still trying to defend himself, he received a good news.

"Right now, your biggest problem is air defense, right?" Bu Ping's voice was extremely solemn.

"That's right. If we don't solve the problem of air defense, we have no hope of winning this war." Zhang Chun admitted it honestly, "Even if we won by luck