controllers and flight attendants have had just about enough. their unions releasing a statement saying we cannot even calculate the level of risk currently at play nor predict the point at which the entire system will break. they point out that air traffic control staffing is at a 30-year low and 20% are now retirement eligible causing some to ask whether they should stay in the game at all. and that could cause a cascading problem because new business takes about four years to train. the sickouts recently hit 10% and the agency had to plead with 250 of its people not being paid mind you to shift around the nation to where they're needed most. ntsb which looks in accidents from the skies to the rails says it hasn't investigate the 87 of them since the shutdown began, and that can cause more problems because ntsb says, quote, important evidence is being lott. and in evidence could prevent future accidents and save countless lives. that's not all. the commandant of the coast