Criteria: The Engineer Regimental Corps Crest is one of the Army’s 14 Regimental Corps Crest insignias. Regimental Corps Crest insignias are worn over the right breast pocket on the Class A uniform signifying each service member’s unique branch of service. Scarlet and white are the colors of the Corps of Engineers. The castle and the motto "ESSAYONS" traditionally have been associated with the Corps. The regimental insignia was approved on April 11, 1986.