Argent, a castle of two El Morro sentry towers Gules overall a pile charged with a gamecock with wings displayed all counterchanged.
That for the regiments and separate battalions of the Puerto Rico Army National Guard: On a wreath of the colors Argent and Gules, upon a closed book Gules with pages edged Or a paschal lamb couchant with staff and banner of San Juan (Gules a cross Argent) all Proper.
SKILL AND STRENGTH.
The fighting gamecock symbolizes the combat capacity of the 130th Engineer Battalion. The two sentry towers represent the El Morro Castle fortress guarding the entrance to the harbor of San Juan, the capitol of Puerto Rico. Scarlet and white are the colors used by the Engineers.
The crest is that of the Puerto Rico Army National Guard.
The coat of arms was approved on 9 October 1967.