The siege against humanity

You and your team decide that the squadron pinned down in a bunker is more urgent, the driver slams her foot on the gas and the next thing you know your flying down the trails whipping back and forth, racing down the roads your arrive at the bunker, you see 2 scouts and 3 patrol mechs, they are surrounding the bunker shooting at it with no sign of stopping, you enter the bunker through a tunnel underneath, but as the last of your team member crawled into the bunker, the whole tunnel collapsed because a mech stomped through it. With no way out and only enough ammo to last half a day, your a goner