<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.kikosi cha askari wa ufaransa katika ukanda wa sahel, barkhane, kwa sasa ni kikosi kikubwa zaidi kinachoendesha shughuli zake nje ya ufaransa na kinaundwa na askari 4,500 ambao walitumwa katika ukand huo.  <response>: the ongoing french-led operation barkhane in the sahel region is frances largest overseas operation, with approximately 4,500 troops deployed and represents the considerable french military presence in africa. 