L.M. Robertson stele by , KilroyTrip 4 See on map Sergeant L.M. Robertson 286th Joint Assault Signal Company Died in action June 10, 1944. Sergeant L.M. Robertson 286th Joint Assault Signal Company Died in action June 10, 1944. Read Route Tags : kia 286th-joint-assault-signal-company manche normandie 10-06-1944 ravenoville marker-michelin