Seafood at gunpoint: Why one N.J. group raises oysters on a naval base

LEONARDO — Past the gates and security checkpoints, down the miles of reinforced pier where train cars load ordnance aboard warships, beneath the waves and the watchful eye of the United States Navy, sit the world’s most heavily-guarded shellfish. For three years, the environmental group NY/NJ Baykeeper has been growing tankfuls of oysters at Naval Weapons…