richard engel has the latest on the drawdown. >> reporter: this is camp victory, on outskirts of baghdad, where embedded with troops from 42 stryker brigade. what's special about the troop, they call themselves the raiders, is that this will be the last american combat brigade to leave iraq. they will leave along with all american combat forces by the end of this month. when they are out of this country 7 1/2 year american combat mission, operation iraqi freedom, will officially be over. but what kind of country will they be leaving behind? there is still political chaos here, five months after national election no consensus government. the different political parties in iraq have yet to agree on a prime minister. there is still violence here. several small bombings in baghdad today, hospital officials say at least seven people were killed. but u.s. commanders say, there will be some level of violence,