operation undead

after a off course war head containing biological chemical crashed into a ship. the survivors are evacuated to a military base 50 miles from los Angeles California to be quarantined for the scientist to study the chemicals effect on the survivors.
after three days of no contact with the base the us military sends army bulldog company 2nd platoon to see what happend
only thing is that after a fire fight leaves the platoon sergeant kia sergeant first class oswaldo jimenez a army special forces green beret has to take charge of the platoon as the acting platoon sergeant