<prompt> Translate the following text to EnglishMaafisa wa programu hiyo walisema kwamba majaribio ya miundo ya uhandisi yaligundua matatizo na miundo ya makombora na vifaa vya utengenezaji mapema katika maendeleo, wakati wa ushirikiano wa mfumo, na kuruhusu wakati wa kubuni upya na kupima tena katika muundo wa kufuatilia.  <response>: Program officials stated that testing of engineering prototypes uncovered problems with missile design and manufacturing tooling early in the development, during system integration, allowing time to re-design and re-test in follow-on configurations. 