ms. pinkerton, appreciate that very much, we will now turn to paul rinaldi, president of. >> think you members of the committee. thank you for giving me the opportunity to speak. and to give voice to the aviation safety professionals that natca represents. -- it undermines air traffic control services, staffing, hiring, training, timeline plantation of long term modernization. it effects preventive maintenance, for infrastructure. as we are recovering from that long shut down in 2019, we then face the unthinkable. the situation of covid-19 pandemic. that pandemic has devastated the aviation system worldwide, including all the things i just mentioned that are impacted by this funding. over the last 15 months, natca and the faa have accomplished some remarkable things. to keep the frontline work for safe and the aviation system running, now with a vaccinated workforce and traffic levels returning to 80% of pre-pandemic levels, out of the chaos of covid-19, we have an historic opportunity to renew the aviation system in both technology and infrastructure, to ensure that the u.s. remains the gold