"Scuse me. There's an emergency situation at Crew Quarters Atrium. Security was called for and has been dispatched."

The crew quarters atrium is a large room in a central area of some of the living quarters on Atlantis. While affected by an entity Major Evan Lorne pointed a gun at Lt. Colonel John Sheppard believing him to be an Asuran after having a dream. (SGA: "Doppelganger")