to the same groups of students we've hired from before. we should expand the pool and consider people who may not have considered the career as an airline pilot before. this is a lucrative career where people can enjoy a long lucrative career and be able to save for retirement and get good access to health care. they can travel the world. this is a real good opportunity and these are careers that -- that the airline industry is creating right now, and united certainly has our own unique strategy to real capitalize on this opportunity and really invest in our economy in a meaningful way >> that's interesting. you know, we've talked about unit led the way in terms of making it a requirement for all workers to get the covid vaccine. we've heard anthony fauci yesterday saying that flying is safe. you can be safe especially if you're vaccinated and boosted is what he emphasized. it made me require is united going to require booster shots for workers as well? >> well, kate, as you point out,