caption: The image shows the logo of the Experimental Diving Unit of the United States Navy, which consists of a blue circle with a white silhouette of a diver in the center, surrounded by a white banner with the words "Experimental Diving" written in bold black lettering. The diver is wearing a navy blue diving suit and a white helmet, and is holding a diver's gear in one hand and a rope in the other. The background of the logo is a deep blue sea, with a few stars twinkling in the night sky.