This is an area we disagree on, and we disagree on a few. I don't think service members should be deployed on mefloquine at all, not just because of the risk to themselves, but because of the risk to others. For a long time we have not had aviators fly on mefloquine. It's against the rules. Well, that makes sense to me. You don't want somebody who has hallucinations at the wheel or stick of an airplane, but I also don't want that person driving a tank. I don't want that person having a machine gun.
I think what you saw with Staff Sergeant Bales and his killing of 16 Afghan villagers, which we still don't know is related to mefloquine or not.... If you're deploying service members on mefloquine, you're leaving yourself and the Canadian military vulnerable to that kind of question.
In my opinion, they should not deploy on mefloquine. We know it's a hallucinogen. There's no question. The risk of deploying people on hallucinogens is too great for the military to tolerate. Or at least it is for our military, and I would make the assumption that it would be for the Canadian military as well.