<prompt> Translate the following text to EnglishLengo letu kuu lilikuwa kuamua kama mazoea bora yanatoa mbinu za kuboresha njia ya DOD kuhakikisha kuwa muundo ni thabiti mapema katika mchakato wa maendeleo na kama kuwa na michakato ya utengenezaji chini ya udhibiti kabla ya uzalishaji husababisha matokeo bora ya gharama, ratiba, na ubora katika mipango kuu ya ununuzi wa DOD.  <response>: Our overall objective was to determine whether best practices offer methods to improve the way DOD ensures that the design is stable early in the development process and whether having manufacturing processes in control before production results in better cost, schedule, and quality outcomes in DOD major acquisition programs. 