<prompt> Pedzisa mutsara unotevera: Mumakore okutanga kweAmerica kupinda muHondo Yenyika II, mauto eUnited States akaisa michina yemaradar yokukurumidza kunyevera mumhenderekedzo dzegungwa nemhaka yokunetseka pamusoro pokudzivirirwa kwenyika pakurwisa mabhomba omuvengi. Pashure pokurwiswa kusingatarisirwi kwePearl Harbor, vakuru vakuru vakanga vachitya kuti muvengi aigona kunanga  <response>: Canal yePanama zvikurukuru nemhaka yokukosha kwayo mukubatanidza nzira dzehondo nedzokutumira dzeAtlantic nePacific. Sezvo pamusuo wokumavirira weCanal Zone pakanga pasina nzvimbo dzomunyika dzaigona kushandiswa senzvimbo dzokushandisa radar, pamusuo wacho paiva nengarava dzairinda dzaiva nemaradar. Pakazosvika 1942, pfungwa dzakachinja kubva pakudzivirira mhepo dzisina basa kuenda pakurwisa kweVasonganiri, uye vatungamiriri vemauto muAir Force vakasimbisa kudikanwa kwevanotsvaka ndege dzinotakurika dzinosvika kure mukati mehondo dzavo muPacific. Zvisinei, midziyo yemaradar yokuAmerica panguva iyoyo yaiva nechiverengero chapamusoro chema megacycles 200, izvo zvaiita kuti isangotapurwa bedzi nokurwisa kunoshamisa kunobva mundege dzinobhururuka dziri pasi asiwo yakakura zvikuru uye yakaoma kuderedza. 