Pvt.1st Class Jonathan Chai, from Cape Grirardeau, Mo., an AH-64D Apache attack helicopter crew chief in Company D, 1st Battalion, 1st Air Cavalry Brigade, 1st Cavalry Division, Multi-National Division—Baghdad, and Spc. Ray Bilodeau, from West Palm, Fla., an Apache crew chief in Company D, 1st Battalion, 4th Combat Aviation Brigade, 4th Infantry Division, MND – B, work together on a main rotor head of an Apache, at Camp Taji, Iraq, May 22. Soldiers of the 1st ACB are replacing Soldiers of the 4th CAB and will spend the next couple of weeks working together to pass along lessons learned during the relief in place process.