The End of the World Is Coming, I Awaken to the Order of Natural Disaster Combat

The advent of the apocalypse + summoning flow + military hardcore + growth counterattack + logically thinking aberrations + territorial hegemony + passionate and exciting writing + infrastructure + military politics The world has been overturned in the last days, and most mammals have mutated and turned into horrific aberrations that are wreaking havoc everywhere. Zhang Yang accidentally activated the natural disaster combat sequence and was awarded the rank of second lieutenant. At the beginning, he summoned a fully armed elite infantry squad. In the devastated wasteland, he relied on his army to regain the collapsed human civilization, and at the same time, step by step, he cleared the fog and explored the hidden root of the apocalyptic catastrophe... The introduction is too weak to explain, please move to the main text!