so you can do more than connect your business, you can make it even smarter. now ports can know where every piece of cargo is. and where it's going. (dock worker) right on time. (vo) robots can predict breakdowns and order their own replacement parts. (foreman) nice work. (vo) and retailers can get ahead of the fashion trend of the day with a new line tomorrow. with a verizon private 5g network, you can get more agility and security. giving you more control of your business. we call this enterprise intelligence. from the network america relies on. welcome back. we're keeping tabs on a slew of hearings on capitol hill. the acting director of the faa is facing tough questions from senators on safety in the sky. tom costello has been watching this hearing closely for us. what are we expecting to hear today from the acting director? >> the theme of this hearing to begin with is about those two 737 max crashes four years ago,