The Médaille militaire (English: Military Medal) is a military decoration of the French Republic for all ranks for acts of bravery in action against an enemy force. It was established by Emperor Napoleon III in 1852 and is awarded only for military service.
This medal was donated by Frederick Prince, Jr., the brother of Norman Prince, an aviator who was a leading founder of the American-manned Lafayette Escadrille in France during World War I.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.