Pictures: Tribeca (NYC, in Chelsea, 2012); In and near Culpeper VA (2012), will try to get photo of LOC facility when I am there again soon.
Update: April 5, 2014
Here are a couple of shots of the Packard Facility, built into the side of a hill in the Piedmont near Culpeper, Va. I wonder if it was affected by the 5.8 magnitude earthquake in Mineral, Va, just 30 miles away, in August 2011.
The entrance is on a side road and the facility keeps a low profile.