<prompt> Translate the following text to EnglishLicha ya mbinu za ndege za kugundua, wakati mwingine huwezi kujua kama ni raia anayeendesha gari kwenda dukani au ni gari la kijeshi, alisema afisa mmoja wa ujasusi.  <response>: Despite the planes detection techniques, sometimes you dont know if its some civilian driving to the grocery store, or a military vehicle, says an intelligence officer. 