The Southern edge of the Concord Naval Weapons Station, in the shadow of Mt. Diablo, in Concord, Calif. on Friday April 15, 2011, it's ammunition bunkers sit idle since the Navy closed the base. The City of Concord hopes to turn the area into a park. Alam

The Southern edge of the Concord Naval Weapons Station, in the shadow of Mt. Diablo, in Concord, Calif. on Friday April 15, 2011, it's ammunition bunkers sit idle since the Navy closed the base. The City of Concord hopes to turn the area into a park. Alameda, Oak Knoll, Concord Naval Weapons Station, Pt Molate, Mare Island - most of the big military sites in the Bay Area are in development limbo 15 years after the Navy pulled out. These are all prime pieces of real estate along the shoreline, and all have seen master-planned developments fall through. (Photo By Michael Macor/The San Francisco Chronicle via Getty Images)