I le 1 Oketopa 2003, na tuufaatasia ai faalapotopotoga e tolu e fausia ai le JAXA fou: Iapani Institute of Space and Astronautical Science (ISAS), le National Aerospace Laboratory of Japan (NAL), ma le National Space Development Agency of Japan (NASDA). JAXA na faavaeina o se Independent Administrative Institution e pulea e le Matagaluega o Aʻoga, Aganuu, Taʻaloga, Saienisi ma Tekinolosi (MEXT) ma le Matagaluega o le Va i Fafo ma Fesoʻotaʻiga (MIC).A o le i tuʻufaʻatasia, ISAS sa nafa ma avanoa ma paneta suʻesuʻega, ae o le NAL na taulaʻi i vaʻalele suʻesuʻega. NASDA, lea na faʻavaeina i le 1 Oketopa 1969, na atiaʻe roketi, satelite, ma fausia ai foʻi le tuai Iapani Faʻataʻitaʻiga Module. O le ofisa tutotonu o le NASDA na tu i le nofoaga o loʻo i ai nei le Tanegashima Space Center, i le 115 kilomita i saute o
1 Oketopa 2003