Doesn’t sound like a “woman” that can carry a 80 pound pack for days on end is going to be a rape victim .....
Good point, if she can carry a 80 pound pack for days on end, she will not give up easily ... however, if she is captured a beating will be the least of her worries.
When someone is holding a gun to her head, it won't make any difference how big a pack she could carry.
Besides the obvious differences in physical capabilities and the issues of sexual relationships in a unit, just as important is the logistical chain. Women and men are different and have different needs (as if that wasn't obvious to everyone except liberals). The chain is going to be longer and more complicated.
Think of how that logistical chain would have worked out at the Chosin Reservoir had there been a 50-50 mix of men and women, when every single plane or truck carrying supplies was just not enough and they had to make do with what they had. No room for tampons or pads. Granted, a woman under stress in combat may have her menstrual period delayed or stunted, but lest anyone think that is not a factor in anything, one only has to imagine a situation where there are nothing more than torn up fatigues or rags to use to deal with a menstruation. Guys sometimes have to deal with things like crotch rot, which can be a real issue when a forced march has to take place. Imagine how it would be marching in an environment where your pants are caked in the crotch with dried/sticky blood.
And that is just one facet. This is a bad idea, and when things go bad, the people who pushed this the hardest are going to blame everything and everyone else. They will scream the loudest and longest.
It doesn’t really matter how big or tough she is. Burly men get raped, too, in the right circumstances. Being female ups the odds considerably, for obvious reasons (vaginas).