Just to add to the unsusual sighting, from a two trusted people with military backgrounds on 5/23/10:

Duece and half looking truck but with only one rear axle (reported a type of truck they never seen before) in an unknown camo pattern, black star on the doors, (not white!), no other visible markings, and no tags of any kind rolling through the city in Missoula MT. Driver was unclear as to American or foreign, wearing a a desert camo type shirt.