so administrator bridenstine, thank you. mr. chairman, thank you for your time. >> thank you very much, senator gardner. let me say, there are no other senators in line. i have another question. i know a number of offices are listening, and if members of the committee intend to ask questions, they should let us know, because if not, this may be the last round of questioning. mr. administrator, let's talk about the enhanced upper stage, eus. the enhanced upper stage will allow nasa to make full use of the sls. i'm concerned that the budget request defers funding to develop this. how necessary is this and what suggestion do you have for the senate and the house? >> yes, sir. so to start, because congress and the senate have fully funded all of our activities for the exploration of upper stage, just so you know, those activities are under way and we are, you know, getting to the point now where we've got key decision point c or, you know, critical design review right in front of us. so all of this, to say that -- >> we're talking e