<prompt> Yini i-North American Aviation eyayihlangene ngayo ne-NASA? Njengoba kunikezwe umbuzo odlule, bhala umongo onempendulo yawo. Kungaba imisho engu-1 kuya kwengu-20. Umongo:  <response>: INorth American Aviation yanqoba inkontileka yokwakha i - CSM, kanye nesigaba sesibili semoto yokwethula i - Saturn V ye - NASA. Ngenxa yokuthi ukwakheka kwe-CSM kwaqalwa ngaphambi kokukhethwa kokuhlangana komjikelezo wenyanga, injini yokuhambisa isevisi yayilinganiselwe ukukhuphula i-CSM inyanga, futhi ngaleyo ndlela yayikhuliswe kakhulu cishe ngokuphindwe kabili kokudonswa okudingekayo endizeni ye-translunar. Futhi, kwakungekho lutho olwaluhloselwe ukuhlangana ne - Lunar Module. Ucwaningo olwenziwa ngo-1964 lwaphetha ngokuthi umklamo wokuqala kufanele uqhubeke njenge-Block I eyayizosetshenziselwa ukuhlolwa kokuqala, kuyilapho iBlock II, umkhumbi-mkhathi wenyanga uqobo lwawo, wawuzofaka imishini yokudonsa futhi usebenzise izifundo ezifundwe ekuthuthukisweni kweBlock I. 