One-time purchase of preventative maintenance parts for the Flight Breathing Awareness Trainers (FBATs) to support aviation survival training. These parts are critical for the sustainment of the FBAT ... One-time purchase of preventative maintenance parts for the Flight Breathing Awareness Trainers (FBATs) to support aviation survival training. These parts are critical for the sustainment of the FBAT devices at eight (8) separate Aviation Survival Training Centers (ASTCs).