<prompt> Translate the following text to EnglishPAC-3 ni aina ya makombora ya aina ya PAC-3 ambayo ni moja ya makombora ya kwanza ya aina ya PAC-3 ambayo ilitengenezwa kwa ajili ya maonyesho ya mfumo.  <response>: PAC-3 Missile Program The PAC-3 missile did not achieve design stability until after the building of production representative prototypes for system demonstration began. 