The best way to take the pressure off our troops is to succeed in Iraq, is to train Iraqis so they can do the hard work of democracy, is to give them a chance to defend their country, which is precisely what we're doing. We'll have 125,000 troops trained by the end of this year.
America troops have not been in Iraq long.
American troops have been in Iraq for over 18 years. I think this qualifies as "long." The system probably doesn't have a frame of reference since it is not mentioned.