User blog comment:Zathronas/Analysis by an author: Volume 2 episode 7: Dance Dance Infiltration/@comment-78.42.186.25-20140912013116/@comment-24891101-20140912013855

Besides, they all have helmet cams.Those might record, since it'd be very useful in debriefing. I'd think that, even if they're not recording all the time, they probably start to do so when the soldier enters combat.