The laws of biology are as ironclad as the Law of Unintended Consequences. Females can certainly be effective soldiers. They can be even more effective analysts, because frankly they are on average smarter than most men. Their feats of resistance as freedom fighters are absolutely undeniable. And never, ever, try to come between them and their children's safety. They'll kill you in a heartbeat. What they cannot overcome are the limitations imposed by God's design.