A CH-47F Chinook cargo helicopter from the 2nd Battalion, Combat Aviation Brigade, 4th Infantry Division, Multi-National Division - Baghdad, lifts a Humvee off the ground during a sling load certification training exercise at Camp Taji, March 6. The training was intended to provide Soldiers with the essential skills necessary for sling loading equipment and supplies with a Chinook, the U.S. Army's premiere heavy lift aircraft.