caption: The image shows the USS Seawolf SSN-21 logo, which consists of a white background with a black and white image of a wolf in the center, surrounded by a blue circle with the words "USS SEAWOLF" written in white. The wolf is depicted in a fierce stance, with its head held high and its mouth open, as if it is ready to roar. The text is written in a bold, black font, and the logo is framed by a thin black border.