Two sided, approx 13x16", one side East Carolina Is., N.A.C.I. Hydrographic Office, Washington D.C., NACI-HO NO. S12-2-32. Second side Marshall Is., NACI-HO-NO. S-12-19. Islands and atolls are shown with many tracks of prevailing winds; obviously useful to downed pilots. Map is very good, folded, minor unraveling on one edge.