ShieldSanguine, a cross fleuretté Argent.
CrestOn a wreath of the colors Argent and Sanguine, the shoulder sleeve insignia of the 2d Infantry Division Proper (a green cross bearing a white star charged with an Indian's head Proper).
MottoSERVIMUS UT ALII VINANT (We Serve That Others May Conquer).
ShieldMaroon and white are the colors traditionally associated with the Medical Corps. The cross with arms terminating in fleur-de-lis represents the original unit's service of mercy in France.
CrestThe crest is the shoulder sleeve insignia of the 2d Infantry Division with whom the unit served in World War I and commemorates that wartime service.
The coat of arms was originally approved for the 2d Medical Regiment on 21 January 1922. It was redesignated for the 2d Medical Battalion with the history revised on 26 February 1940. The insignia was redesignated for the 302d Support Battalion with the blazon and symbolism revised effective 16 October 1989.