<prompt> Bhala okuqhubekayo kwalesi sigaba - U-OShannon wazalelwa eMarin, eDublin, e-Ireland, ngo-23 Agasti 1928, indodana kaCathal OShannon Sr., owayengusoshiyali futhi engumRepublican wase-Ireland. Wathola imfundo yakhe esemthethweni eColaiste Mhuire School, eParnell Square, eDublin. Naphezu kwezombusazwe zikayise, u-OShannon owayeneminyaka engu-16 ubudala wavolontiya isikhathi sempi neRoyal Air Force eBelfast ngo-1945 phakathi neMpi Yezwe II, esebenzisa isitifiketi sokuzalwa esiyiqiniso ukufihla ukuthi usemncane ukubhalisela amabutho ahlomile aseBrithani. Ngemva kokuqeqeshwa kwezisebenzi zezindiza wathunyelwa eMpumalanga Ekude, njengomshayi-mkhosi ongemuva ebhomberini i-Avro Lancaster ukuze abambe iqhaza eMkhankasweni waseBurma, kodwa impi yaphela ngokuwa koMbuso waseJapane  <response>: ngaphambi kokuba adingeke ukuba ahambe ngezindiza. 