Subcategories:
— withdraw from coast (1)
— pursue (1)
— cross line of advance at right angles (1)
— board (1)
— ram (2)
— run blockade (1)
— have leak due to shot (1)
— discharge torpedoes (1)
— turn into line with torpedo track (1)
— sweep for mines (1)
— visit foreign port (1)
— strike sails or colours (1)
— walk about on quarterdeck (1)