 Nyorai kupfuurira kweiyi ndima - Rinodokuva gore chairo pashure peSTS-51-C, Space Shuttle Challenger yakaparadzwa navanhu vose vaiva muchikepemukati meSTS-51-L basa kusanganisira Ellison Onizuka, nhengo yevashandi mundege mbiri. Sechikamu chekuferefeta njodzi iyi, yakashumwa kuKomisheni yeRogers kuti panguva yekumisikidzwa kweSTS-51-C, yakaipisisa solid rocket booster SRB kuputika-ne mhedzisiro yechero basa risati rasvika STS-51-L yakaitika, zvichiratidza zvine mutsindo kuti Viton O-mhete dzakanga dzisiri kunyatsoisa magasi anopisa mukati memakamuri ekupisa eSRBs pavakapfura. Pashure pokunge vawanazve pashure pokubhururuka, O-mhete dziri muSRB dzorudyi nedzoruboshwe dzakaratidza mwero wakati wokupisa, asi kunzvera rutivi rwomukati rwomubatanidzwa weSRB rworudyi kwakaratidza kupinda kusati kwamboitika kweO-mhete yokutanga uye kupisa kukuru paO-mhete yechipiri. 