Aviation Safety Chair Duckworth Questions Witnesses on Updating Aging Air Traffic Control Equipment

Connect with Senator Tammy Duckworth online: Visit Senator Tammy Duckworth’s website: https://bit.ly/2T1YNN4 Like Senator Tammy Duckworth on Facebook: https://bit.ly/2UaYBaX Follow Senator Tammy Duckworth on Twitter: https://bit.ly/2H6f24D Follow Senator Tammy Duckworth on Instagram: https://bit.ly/2NB8FHO