And so, today, a submarine was spotted off the coast of Dumbo floating up the East River in the direction of Williamsburg, or possibly, the Brooklyn Navy Yard. "If you're a hipster wearing your 'Defend Brooklyn' T-shirt, the day has come to back it up!" We're guessing it's the USS Growler, which has been docked in Red Hook and went for a swim. [Gothamist]
For more stories from Curbed, go to curbed.com.