USS F-3, was a F-class submarine. She was named Pickerel when her keel was laid down by The Moran Company of Seattle, Washington, making her the first ship of the United States Navy to be named for the pickerel, a type of pike. From Wikipedia
Advanced underwater technology captured detailed visuals of the World War I-era submarine, lost in 1917, and honored the 19 crew members who perished in the tragedy.