Aldrin: Contact Light. Armstrong (on-board): Shutdown. Aldrin: Okay. Engine Stop. Aldrin: ACA out of Detent. Armstrong: Out of Detent. Auto. Aldrin: Mode Control, both Auto. Descent Engine Command Override, Off. Engine Arm, Off. 413 is in. Armstrong: Engine arm is off. (Pause) Houston, Tranquility Base here. The Eagle has landed. Aldrin: Thank you.