Hokkai Maru (Japanese: 北海丸) was a rescue tug of the Imperial Japanese Army during World War II. She was the first of three ships of her class succeeding the Shōkai Maru class of high-powered tugboats.
Hokkai Maru (Japanese: 北海丸) was a rescue tug of the Imperial Japanese Army during World War II. She was the first of three ships of her class succeeding the Shōkai Maru class of high-powered tugboats. (en)
Hokkai Maru (Japanese: 北海丸) was a rescue tug of the Imperial Japanese Army during World War II. She was the first of three ships of her class succeeding the Shōkai Maru class of high-powered tugboats. (en)