Rubuta ci gaba don wannan sakin layi - Daga ƙarshen 1930s, tare da barazanar yaki da Japan a cikin Pacific, an sake gano hanyoyin sadarwa a matsayin muhimmin bangare na tsaron kasa. Ko da kafin Australia ta ayyana yaƙi a kan Japan a ranar 9 ga Disamba, 1941, (bayan hare-haren da Jafananci suka kai a Hawaii, Hong Kong da Malaya
), akwai sha'awar gaggawa don haɓaka kayan aikin tsaro a Cape York Peninsula. Abubuwa biyu da suka fi muhimmanci sune filayen jirgin sama masu aiki da kuma hanyoyin sadarwa masu dacewa. Ya zuwa watan Yulin 1941 an kammala sabon filin jirgin sama game da arewacin Coen, da kuma sabon titin jirgin sama a Iron Range (kusa da Kogin Lockhart), duk da haka a wannan lokacin Tashar Waya ta Coen tana da kayan Morse ne kawai da kuma layin layin pyramid 6 (wayar gida kawai).