Carl, Paddy and Ben commission BAs before the exercise.

Fenn Langbein works through the donning proceedure to satisy the instructor that PVFB knows how.

Peer review of proceedure before entering the Breathing Apparatus Training Building.

Paddy van son crawls through a pipe inside the BATB - a tight fit with BA on your back. The normal conditions inside are hot and dark - just a low red light simulting a smoky building on fire.