Henderson Field is a public airport located on Sand Island in Midway Atoll, an unincorporated territory of the United States. The airport is used as an emergency diversion point for ETOPS operations. It is one of three airfields named after Major Lofton R. Henderson, together with Henderson Field on Midway's Eastern Island, and Henderson Field in the Solomon Islands. The airfield now provides access to Midway Atoll National Wildlife Refuge.