<Ul> <Li> <P> The uniform of a French cavalry regiment in 1786 . </P> </Li> <Li> <P> The coat of arms of the 1st Cavalry regiment, founded as a dragoon regiment, features a gold dragon and an orange shield, the traditional colours of the dragoons . </P> </Li> <Li> <P> The shoulder sleeve insignia of the 1st Signal Command of the US Signal Corps . Orange, the colour of traditional signal fires, and white are the official colours of the Signal Corps . </P> </Li> </Ul> <Li> <P> The uniform of a French cavalry regiment in 1786 . </P> </Li> <P> The uniform of a French cavalry regiment in 1786 . </P> <Li> <P> The coat of arms of the 1st Cavalry regiment, founded as a dragoon regiment, features a gold dragon and an orange shield, the traditional colours of the dragoons . </P> </Li>

What is the article before orange colour hat