US Army (USA) Second Lieutenant (2LT) Zack Zilai (right), Bravo Company (B Co), 4th Battalion (BN), 23rd Infantry Regiment (4/23rd), 172nd Stryker Brigade Combat Team (SBCT), maintains radio contact with a USA AH-64D Apache attack helicopter (background) while participating in an aerial traffic control point mission near Tall Afar, Ninawa Province, Iraq (IRQ), during Operation IRAQI FREEDOM