Just as an FYI: the training grenades only work against other Recruits and yourselves, not regular Academy soldiers, technicians, medicae, and guards. So you just electrocuted yourselves down there. I'll allow you to revise the post for Valpine since you probably didn't know that.
Nope, "Extreme range" essentially you're blistered and suffering from light frost-bite. Recommend the following course of action:
@CommissarGaunt Straf's by himself right? I think you wrote Straf when you meant Andros in the last update post.
Sith Inquisition got better tricks then I thought. Need to make sure a different way to be ready for them