Big Alien Movie

The Pentagon gave Hollywood Director Max Mercer a deal he couldnt refuse. Shoot an alien themed blockbuster for the military, and theyll pay him enough to keep his Malibu home. As Hollywood and Pentagon cultures collide, Max becomes suspicious of the militarys motives and the white van parked down the street. Why is the Pentagon willing to pay an unlimited sum to make this movie? Why are they putting him on such a tight timeline? Why is he making this big alien movie?