LOL! Take your pick, guy; we've got it all. Military bases, shipyards, aircraft carriers & battle groups, coast guard, Langley AFB, probably the largest commercial port on the east coast, manufacturing, tourism with lots of crowds, big malls, etc., tunnels & bridges, airports, Amtrack, and a nuclear power plant...and we're not that far from DC.
Aside from this cell that they're working on, I imagine there are others. Newport News has at least two Islamic schools, so I'd bet there's a cell across the river.
...NOAA, NASA