Share This: The ALS Ice Bucket Challenge has entered the aviation industry in many forms, but this inverted ALS Ice Bucket Challenge is pretty cool. Famous race and aerobatic pilot Bruce Bohannon shows us how it’s done. Great job! For more information about ALS please have a look at the ALS Association. They support research to find a cure for ALS and provide much-needed services to patients and their families. Watch the Inverted ALS Ice Bucket Challenge in HD below.