. . . . . . "Battalion" . "1986" . "150px" . "1st Battalion (Attack Reconnaissance), 501st Aviation Regiment" . . . "1986" . . . . "501st Aviation Regiment." . "Attack, Lift, Cargo, Reconnaissance" . . "\\\"The Warding Eye\\\"" . . "501st Aviation Regiment (United States)" . . . "3d Battalion (Assault Helicopter), 501st Aviation Regiment" . . "501st Aviation Regiment (United States)" . . "2d Battalion (General Support), 501st Aviation Regiment" . . "Vietnam,Desert Storm,War on Terrorism" . "501st Aviation Regiment" . "4th Battalion, 501st Aviation Regiment" . "501st Aviation" .