No-one should second-guess CS's sincerity unless they know her.

Lighter, part of the difficulty on this thread is that "hero" and "mercenary" are not, strictly, antonyms.

Although some have sought to defend the hierarchical military structure by asserting that illegal orders need not obeyed (however stressful relevant disobedience might be) one should not overlook that an order might well be lawful, but immoral - or indeed illegal under an jurisdiction other than that applying at the time.