Look what rolled past our front door

OK, so it is probably not as cool since we do live on an army post. The boys and I had just walked outside to enjoy a beautiful fall day when we heard the rumble of track vehicles. Here we have a Bradley, a Hemit, a Paladin, and a... I forget. The boys think that all of the guys driving need a friendly wave to say "Hi". They are lucky their dad is an Army man.