. >> reporter: some second thoughts from private first class joshua ablar who just became a u.s. citizen while serving in baghdad. >> i feel kind of sad because we've got a bond between the people in iraq. >> reporter: finally, time to take off their flak jackets and break down their weapons and pause to take in a moment of history. we are traveling quite quickly to the border, brian. we're moving around 45 miles an hour. so this vehicle and the rest of the convoy should be through into kuwait in just a couple of hours and quite appropriately, brian, this mission is code named "the last patrol." >> richard, we realize your signal is dicey. it's a lot to ask technically, but we'll try to keep it going while we can. what about those left behind and the situation now in your rear-view mirror back in iraq? a lot of americans will be asking, "under what possible conditions would american soldiers ever go back in?" >> reporter: the soldiers that are staying behind are on a training mission, and the difference is these soldiers right now are on a combat mission. they have combat power.
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