Whakaotihia te rerenga e whai ake nei: I te tau 1973, ka oti te hanganga o te Naval Communications Station. I te tīmatanga o te tekau tau atu i 1970, ko ngā whakahekenga ki ngā kaha hōia o Te Hononga o Amerika i te rohe tae atu ki te hinga o Saigon, te wikitoria o te Khmer Rouge i Cambodia, te katinga o te Peshawar Air Station listening post i Pakistan me te Kagnew Station i Eritrea,
Ko te kaupapa o "Mayaguez", me te whakatipu i te aroaro o te moana Soviet i Aden me te papa rererangi Soviet i Berbera, Somalia, i akiaki i te United States ki te tono, me te UK ki te whakaae, whakaaetanga ki te hanga i tetahi tauranga kaipuke me te rererangi rererangi i Diego Garcia, a ka taarua te maha o nga kaimahi e hanga ana i enei hanganga.