Above, 'US Psychological Officer 1970's Prototype Badge -Never used but someone proposed this because they paid for a tool back in the 1970's. source
Also, see Recent Submarine Insignia News and Information, May 2004 Update, here
As silent and strange as submarines are, all sorts of possibilities come to mind in connection with the unusual dolphins above.
Omitting many, more interesting possibilities, the item may have been conceived by some insignia collector for a purely profit or bragging rights motive.
Alternatively, we must ask ourselves if psychologists have ever been associated with submarines. Do you have any stories to share?
More on this topic later.