BAGHDAD - &quot;A lot of them realize when their truck has a flat, they come to us,&quot; said Spc. Ariel Lain, a mechanic assigned to B Company, 2nd Battalion, 5th Cavalry Regiment, 1st Brigade Combat Team, 1st Cavalry Division, as he coils a tow strap in the motor pool of Joint Security Station Sadr City, here, May 31. &quot;We keep those guys mission ready lifting MRAPs and humvees, changing out tires.&quot;