Before flight, Chief Warrant Officer 3 Roberto Torres, from Salinas, Puerto Rico, a CH-47F Chinook helicopter pilot in Company B, 2nd Battalion, 227th Aviation Regiment, 1st Air Cavalry Brigade, 1st Cavalry Division, Multi-National Division-Baghdad, conducts his required system checks, prior to flight, Aug. 8. The aircrews will quickly and safely move personnel and supplies around the Baghdad area.