Since 1913, American Optical has been the official sunglasses of the U.S. Military pilots. The Original Pilot is the mythical model. American Optical was originally a manufacturer of optical glass and then in 1876, it began producing sunglasses in Southbridge, Massachusetts. American Optical is considered as the oldest sunglasses manufacturer. Since 1913, the AO has been the official supplier of the US Army for military optics as well as an endowment for pilots to the present day.