A BBC News report:
Capt Ashley Collette was the only woman in her platoon of soldiers on the Afghan front line. In the Canadian armed forces, unusually, every job is open to women - and both sexes live together and fight together.

(At the end citing the Captain) In my experience there's no reason why a band of brothers cannot be a band of brothers and sisters.
Link:http://www.bbc.co.uk/news/magazine-24622762