"Redskins" . "Redskin" . "army" . "Papua New Guinea army" . . . "defence force" . "PNG Defence Force" . . "PNGDF" . . . "Air Operations Element" . "Papua New Guinea" . . . "Papua New Guinea Air Element" . "Papua New Guinea Defence Force" . . . "Papua New Guinea Air Wing" . "Maritime Operations Element" . "Papua New Guinea Defence Force" . "20" . . . "Maritime Element" . "Army" . "Papua New Guinea Defence Force#Aircraft" . "Papua New Guinea Defence Force#Maritime Element" . . . "Papua New Guinea Land Element" . "Defence Force" . "16" . "Papua New Guinea Maritime Element" .