Armed Forces Bill

In a nightmare scenario for the MOD, in which my hon. Friend the Member for Leyton and Wanstead is appointed a Minister, what would he do in circumstances whereby Parliament had decided that our troops should serve abroad on a humanitarian mission, or, for example, in Afghanistan, where the occupation is universally sanctioned, and someone said that they were not prepared to fight or go on the mission? Does he suggest that members of the armed forces should pick and choose when they serve?