The color(s) red, blue, white, gold, grey, black, and green are claimed as a feature of the mark.
The mark consists of a circular design bordered in gold and black bands, within which is a field of black. Within the field of black is a blue diamond shaped design. Within the blue diamond are five white stars depicting the Southern Cross constellation. Also within the blue diamond is a sea serpent colored in gold and red, with white teeth and claws, all bordered by black, coiled around a dagger with a green and red hilt and a grey blade. Near the top of the blue diamond is a streamer, in red and bordered in black, with the words "1ST BATTALION 4TH MARINES," in gold, bordered in black. Toward the bottom of the blue diamond is another streamer, in red and bordered in black, with the words "WHATEVER IT TAKES," in gold, bordered in black.
FIRST BATTALION FOURTH MARINES WHATEVER IT TAKES