Whakakihia te rerenga e whai ake nei: Te tūranga o te Signal Corps i te Pakanga Paniora-Amerika o te tau 1898 me nga tau i muri mai
He nui ake te whakaekenga o Piripi i te Pakanga Taketake. Hei taapiri ki te tohu tirohanga, tae atu ki te heliograph, i whakawhiwhia e te ope nga waea waea me nga waea waea waea me nga korero taura, i whakatairanga i te whakamahi waea i te pakanga, i whakamahi i te whakaahua whawhai, i whakahou i te whakamahinga o nga peera. I muri tata mai i te pakanga, i hangaia e te Signal Corps te Washington-Alaska Military Cable and Telegraph System (WAMCATS), e mohiotia ana ko te Alaska Communications System (ACS), e whakauru ana i te waea ahokore tuatahi i te Hauauru o te Hauauru.