We have to fight back!

After the poison report was sent to the United States, some of the war experts there were a little hesitant.

Obviously, the sudden appearance of the biological weapon had caught them off guard. Why were there so many powerful countries studying it now?

It was because it could kill people without a trace. As long as it fell from the blue sky, the enemy would be defeated without a single soldier. Every country's current militarized equipment and weapons were similar, so everyone wanted to seize the first opportunity in the new field. Thus, biochemical weapons had been created in World War II.

However, this kind of research was not human!