A vessel restricted in maneuvering. A vessel constrained to a navigable course to keep the vessel out of harms way.
While entering and leaving home port Ball-Diamond-Ball must be displayed to show others you must remain safe and therefore will not change course.
Not under command, no Commanding Officer. A vessel restricted in maneuvering (may only navigate trusted and safe waters meaning no one has control of you, you are a good person and therefore can help others to break free of control of others. Abbreviated B-D-B. Affiliation can be shown by displaying the maritime day shape for Ball-Diamond-Ball on a window or screensaver.
I am finally Ball-Diamond-Ball and will never allow myself to be taken again by those who play mind games.