📜 National Historic Landmark site, preserved research submarine.🔍 Once the speediest sub in the sea, a Cold War vessel, it pioneered modern high-speed submarine design.# Why Go⚓ Explore a historic Cold War research submarine interior🗣️ Listen to former crew member stories🌳 Enjoy memorial garden and park👨‍👩‍👧‍👦 Educational for all ages# Why Avoid claustrophobic spaces♿ Not accessible for wheelchairs or walking devices👶 No children under 2 admitted on submarine🎒 No backpacks, strollers or large bags allowed on submarine# TipsCheck website for seasonal hours and weather updates. Located in Albacore Park, follow signs for downtown Portsmouth.# Cost💰 Children (2-12) $8, Teens & Adults $14, Seniors/Retired Military $10, Active Duty Military Free. Group rates available.# Hours🕒 Daily, 9:30am-4:00pm (mid-Feb to mid-Dec), 9:30am-5:00pm (Memorial Day to Columbus Day), closed mid-Dec to mid-Feb.# 🅿️ ParkingAvailable at Albacore Park.