Fig. 3From: Environmental Stress in Military SettingsRepresentative Positive Pressure Breathing Ensemble. Picture shows the helmet/oronasal mask, thoracic jerkin, anti-G suit, and connectors/tubing. The breathing system is tied into the aircraft’s life support breathing supply and regulator (blend of bottled O2 and engine bleed air). Reproduced with permission from the Canadian Department of National Defence. The source is Defence R&D CanadaBack to chapter page