Following the Septemeber 11th terror attacks, the FAA and US airlines overhauled aircraft safety to make it harder for people to enter the flight deck. Now, 20 years later, pilots say it's still not enough. CNN's Pete Muntean reports.
Following the Septemeber 11th terror attacks, the FAA and US airlines overhauled aircraft safety to make it harder for people to enter the flight deck. Now, 20 years later, pilots say it's still not enough. CNN's Pete Muntean reports.