<prompt> Translate the following text to SwahiliDOD has made improvements in its acquisition policy by incorporating guidance for evolutionary acquisition, creating guidelines for the development of a basic product that can be upgraded with additional capabilities as technologies present themselves.  <response>: DOD imefanya maboresho katika sera yake ya ununuzi kwa kuingiza mwongozo wa ununuzi wa mageuzi, kuunda miongozo ya maendeleo ya bidhaa ya msingi ambayo inaweza kuboreshwa na uwezo wa ziada kama teknolojia zinajitolea. 