ms. pinkerton? >> we work with tsa almost on a daily basis, and we can't say enough praise for administrator perkoski, darby, and others on his team that have done an outstanding job post the summer of 2016 setting up that kind of regular communication and coordination. now, i will say, some of the issues that we've talked about, some of these ideas, we have been talking about them for years. so, the coordination, though, is very good. >> okay. ms. reiter? >> i would say the same thing as sharon. the associations and airports communicate often, if not daily, with the tsa, and it has been some of them for a long time in discussion, particularly precheck, so same. >> mr. mccormick. >> yeah, i'd say the same. the interaction is terrific, and again, we get buy-in from the top down, but the reality is, some of these areas we have to accelerate, particularly the marketing of the programs to the corporations. it's mentioned in your testimony, but there's a huge opportunity with the corporations and communi