Staff officers and NCOs of the Regimental Corps of Cadets, Oregon Agricultural College. Probably before WWI, but after 1911 when the Armory was constructed. Seated in the center of the front row appears to be Colonel U.G. Mc Alexander, probably during his 1915-1916 period at OAC. Officers are seated in the front row, holding sabres, uniforms are of Pre WWI vintage with brimmed caps. The leather leggings were usually worn by officers.