Captain Brunswig is often mentioned in the context of the widely known urban legend involving a misidentification error between a naval vessel and a lighthouse. According to the tale, a naval ship (sometimes a battleship or aircraft carrier) spots a light ahead and, assuming it is another ship on a collision course, instructs the other "ship" to change its course. The communication typically goes as follows:
This mix-up highlights the error of the naval crew in not properly identifying the lighthouse, which is a stationary object, unlike the anticipated moving vessel.
Further insight can be found from sources like Wikipedia and the Richard E. Simmons III website.