Philadelphia native Spc. Colin Gwilliam, an AH-64D Apache attack helicopter crew chief for Company A, 1st "Attack" Battalion, 227th Aviation Regiment, 1st Air Cavalry Brigade, 1st Cavalry Division, washes an Apache with a pressure hose on the flight ...

Philadelphia native Spc. Colin Gwilliam, an AH-64D Apache attack helicopter crew chief for Company A, 1st "Attack" Battalion, 227th Aviation Regiment, 1st Air Cavalry Brigade, 1st Cavalry Division, washes an Apache with a pressure hose on the flight ...