From a June 6th article on MountainView.Patch.com:
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Air Force One touched down at Moffett Field in Mountain View at 5:41 p.m., about 20 minutes ahead of schedule. Obama jogged down the steps from the plane at 5:56 p.m. wearing a black suit and a blue tie.
He greeted about 50 people invited to the landing, including Sunnyvale Mayor Tony Spitaleri, Ames Research director Peter Worden, California National Guard Col.