" 'flatulence bomb' and 'halitosis bomb' were also considered by a committee at the time. The plan was to make an enemy so smelly they could be quite literally sniffed out of hiding by their opponents. It was also considered fairly damaging to the enemy's morale."
From what I've heard from vets' first-hand experience is that the people we are currently fighting don't exactly have the highest hygiene standards to begin with...