"An identification beam was a method whereby a ship could be identified. Failure to use one was a criminal offense in the 23rd century. In 2266, Harry Mudd was charged with, among other things, galaxy travel without an identification beam. (TOS: \"Mudd's Women\" )"@en . . . "An identification beam was a method whereby a ship could be identified. Failure to use one was a criminal offense in the 23rd century. In 2266, Harry Mudd was charged with, among other things, galaxy travel without an identification beam. (TOS: \"Mudd's Women\" )"@en . "Identification beam"@en .