[img]http://www.mappery.com/maps/Houston-Airport-IAH-Map.jpg[/img]
Maybe this is easier.
I said Gate 7 right? that fits, this map has one. 
Then shit would be going down in area E, with the centerpoint of SOLDIERs initial batalion at the International Arivals area, and Purge entering from the C and D/e parking lots