<prompt> Pedzisa mutsara unotevera: OShannon akaberekerwa muMarino, Dublin, Ireland, musi wa 23 August 1928, mwanakomana waCathal OShannon Sr., muSosialist uye Irish Republican. Akagamuchira dzidzo yake yepamutemo paColaiste Mhuire Chikoro, muParnell Square, Dublin. Pasinei nezvematongerwo enyika yababa vake, semunhu ane makore gumi nematanhatu OShannon akazvipira kuita basa rehondo nenguva yehondo neRoyal Air Force muBelfast muna 1945 panguva yeHondo Yenyika II, achishandisa gwaro rekuzvarwa rekunyepedzera kufukidza kuve mudiki kunyoresa neBritish Armed Forces. Pashure pokudzidziswa kuva vashandi vomumhepo, akaendeswa kuFar East, somupfuri wepashure muAvro Lancaster bhomba kuti atore rutivi muBurma Campaign, asi hondo yakaguma ne  <response>: kuwa kwoUmambo hweJapan asati aitwa kuti abhururuke muzvikepe zvehondo. 