The 75th Ranger Regiment Distinctive Unit Insignia, also referred to as a unit crest or DUI for short, was originally approved for the 75th Infantry Regiment on 18 March 1969 and was redesignated for the 75th Ranger Regiment on 3 February 1986.
Blue, white, red, and green used in this insignia stand for four of the original half-dozen combat teams that made up the 5307th Composite Unit (Provisional), more commonly known as Merrill’s Marauders and one of the forebears of today’s 75th Ranger Regiment. The combat teams were represented by colors, but the other two units’ colors, khaki and orange, were not utilized for the insignia because it could cause confusion (though khaki was represented by the color of the uniforms worn by U.S. Soldiers in the China-Burma-India Theater during the Second World War).
The cooperation between the unit and Chinese forces in the Theater are alluded to by the sun symbol, taken from the Chinse flag, that appears in the upper left quadrant of the insignia. A white star in the lower right is for the star of Burma (now called Myanmar), the nation in which the unit campaigned in for much of World War II. A red lightning bolt embodies the quick-strike nature of the Marauders’ tactics while fighting behind enemy lines.
♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦
Also known as a unit crest or DUI, the Distinctive Unit Insignia (DUI) is worn by all Soldiers (except General Officers) in units that have been authorized to be issued the device. It is worn centered on the shoulder loops of the Army Green Service Uniform (AGSU) and the blue Army Service Uniform (Enlisted only) with the base of the insignia toward the outside shoulder seam.
Full guidance on wear of the DUI is found in DA Pamphlet 670-1,
Section 21-22, "Distinctive unit insignia."Related Items75th Ranger Regiment Patch (SSI)
75th Ranger Regiment Combat Service ID Badge (CSIB)
75th Ranger Regiment Beret Flash and Oval