Three months passed in a flash.
The excavation operations proceeded very smoothly. A tunnel that delves deep underground was more than 90% complete, with only a short distance left to break into the subterranean nest of the alien creatures.
The military side was also making intense preparations. The newly equipped laser assault vehicles had been deployed to the units set to be at the forefront of the attack. Over these three months, a method of use was explored and related tactics were formulated.
Although these laser assault vehicles have power equivalent to a heavy machine gun, the military concluded that laser weapons were far more effective than heavy machine guns after actual deployment.
