For more than half of its existence, members of the Marine Corps largely self-identified as soldiers. It did not yet mean something distinct to be a Marine, either to themselves or to the public at large. As neither a land-based organization like the Army nor an entirely sea-based one like the Navy, the Corps' missions overlapped with both institutions. This work argues that the Marine Corps could not and would not settle on a mission, and therefore it turned to an image to ensure its...