Remained Unscathed

In the high-level conference room of Research Base No. 7, Mosher, the commander of Peace City, initiated a video with a solemn expression. The video content was short, less than three minutes. It was the scene of guards encountering and battling mutated humans after entering the valley. Rows of bullets swept across, but the mutated humans remained unscathed, their bodies as impenetrable as copper walls and iron barriers! A higher-up couldn't help but stand up from his seat in shock, exclaiming, "How can this be possible?" Mosher spoke in a deep voice, "This video was transmitted from the front line five minutes ago. As everyone can see, the terrifying level of these mutated humans has far exceeded our imagination! The situation is critical. I will report to the higher-ups and request support from all parties." "Please also go back and prepare accordingly, initiate Level One emergency plan! We must eliminate the mutated humans and rescue all the missing individuals in the shortest time