Pedzisa mutsara unotevera: PURPLE yaiva hwindo rinokwezva, asi rakaganhurirwa zvikuru, rokuronga kweJapan nemitemo nemhaka yemasikirwo chaiwo ekugadzira mitemo yeJapan pamberi peHondo (ona pamusoro apa). Pakutanga, nzira iri nani yokushandisa yaiva yeJapan Fleet Code (chiverengero chakarongwa), yainzi JN-25 nevashandi veU.S. Navy vanoongorora mashoko anokosha. Kupinda mushanduro yaishandiswa mumwedzi yakatevera December 7, 1941 kwakagovera mashoko akakwana okutungamirira kukunda kwezvikepe zveU.S. muhondo dze
Gungwa reCoral neMidway, kumbomisa kufambira mberi kwekutanga kweJapan kumaodzanyemba uye kubvisa chikamu chikuru chesimba remhepo rengarava reJapan. Gare gare, kufamba kweJN-25 kwakakanganiswa kwakagoverawo purogiramu uye nzira yendege Admiral Isoroku Yamamoto yaizobhururuka mukati mekushanya kwekuongorora kumaodzanyemba kwakadziva kumadokero kwePacific, ichipa vatyairi veUSAAF mukana wekurwisa mukuru uyo akanga afungidzira kurwisa kwePearl Harbor. Uye gare gare, kuwana mashoko ehondo yeJapan kubva pakunyorwa kwemashoko ehondo ehondo kwakabetsera mukuronga nhimbe yokutsika-tsika kuzvitsuwa kuenda kuPhilippines nokumwewo.