The mark consists of a circular design with a field of dark blue that contains a circular strip of gold, within which are the words "SECOND BATTALION 4TH MARINES SECOND TO NONE", in red. Also within the field of dark blue is a gold badge or shield-shaped design in gold and a red torii design (depicting a Japanese gate). On top of the badge and torii is the number "2", in dark blue. On top of the number "2" is a seahorse, in gold with white stripes and black eyes, and at the base of the "2" are two palm trees, in brown. Beneath the circular design is a banner, in gold and bordered by dark blue, within which are the words "THE MAGNIFICIENT BASTARDS", in red.
SECOND BATTALION FOURTH MARINES SECOND TO NONE THE MAGNIFICENT BASTARDS TWO
The color(s) red, white, gold, brown, black and dark blue are claimed as a feature of the mark.
"SECOND BATTALION 4TH MARINES"