The missile, pushed into the tunnel, slid all the way to the depths of the tunnel with the flatbed's assistance.
Although it is a missile, because the tunnel is not completely a sideline, the flatbed is needed to transport the missile to the appropriate position, and it can't just ignite at the tunnel entrance.
However, the military had made preparations when designing the tunnel. The tunnel is over four thousand meters long, with a vertical depth of fifteen hundred meters. Although the last small section wasn't entirely completed, it already meets the initial design requirements and can guarantee the use of nuclear bombs.
As for the military seeking Chen Xin's modifications to the missile, the goal was to penetrate the last hundred meters of the earth's crust to achieve the purpose of directly detonating the nuclear warhead inside the alien nest.
