 Promotion within the Guard is based on merit and seniority - every Guard Captain in the Fort Henry Guard started as a private.There are also domestic interpreters and a headquarters unit; this is usually composed of pipers, Pioneers, and the Goat Major, who is in charge of David XI, a White Saanen Goat who serves as the Guard's mascot.All Guard are trained to man the Fort's guns in the uniforms of the Royal Artillery.