Welcome back, Stompie! I'll wait until this weekend before updating to give you a chance to catch up and get back into the game - plus I have little time during the week. This is a pivotal moment, and Ortega and Wallace could play key roles.
Currently, the only military people near the chopper are Ortega, Ramirez, and Lt. Blanco. The latter two are armed only with pistols, but Ortega has his M-16 (he also has a grenade launcher, but using it around the chopper is not advised) and is wearing body armor. Everybody else is at least 80 yards away, and currently only the snipers have line of sight to the helicopter from the motel.
However, keep in mind that Wallace has just exited the garage and has his rifle ready. Kimberly and Joe Barring are also outside the garage, and they both have shotguns. They are 20 yards from the chopper, and thus they could conceivably both hit all three of the people from Warren at the chopper for 2d6 damage apiece (4d6 on an impale). And Kimberly has an 18 Dex...