[nl]

People from American Samoa are US nationals but not US Citizens, and get a different US Passport[1]. Apparently the ILO issues travel documents, too although it is unclear how widely they are recognized[2]

[1] https://en.wikipedia.org/wiki/Travel_document#American_Samoa

[2] https://en.wikipedia.org/wiki/Travel_document#UN_travel_docu..., http://www.icao.int/Meetings/TAG-MRTD/Documents/Tag-Mrtd-20/...