Securing Sarif's Manufacturing Plant

Briefing
You will be flown to Milwaukee Junction manufacturing plant. Sarif is in the chopper and will tell you that the factory has been taken over by a pro-human terrorist group, known as Purity First, led by a man named Sanders. Sarif will ask you if you want a lethal or non-lethal weapon, and if you want something short or long range. The results are:
 * Non-lethal short range: stun gun
 * Non-lethal long range: tranquilizer rifle
 * Lethal long range: combat rifle
 * Lethal short range: revolver

Primary objectives

 * Enter the manufacturing plant
 * Retrieve the Typhoon

Secondary objectives

 * Secure the hostages
 * Secure the hostages [updated]