Thursday, February 26, 2004 Marines taking over for Army in Iraq By Scott Schonauer, Stars and StripesEuropean edition, Thursday, February 26, 2004 Scott Schonauer / S&S Marine Staff Sgt. Marvin Clark secures the front rotor of a CH-46 "Frog" helicopter from the New River, N.C.-based Marine Medium Helicopter Squadron 261 at Al-Asad Airfield, about 110 miles from Baghdad. About 25,000 Marines are streaming into western Iraq to take command of security and rebuilding duties from the Army. Scott Schonauer / S&S A Marine guards a CH-46 "Frog" helicopter as crewmembers refuel the aircraft at Tallil air base in southern Iraq....