<prompt> Translate the following text to SwahiliDOD recently changed its acquisition policy to emphasize evolutionary acquisition and establish separate integration and demonstration phases in the product development process.  <response>: DOD hivi karibuni ilibadilisha sera yake ya ununuzi ili kusisitiza ununuzi wa mageuzi na kuanzisha awamu tofauti za ushirikiano na maonyesho katika mchakato wa maendeleo ya bidhaa. 