WASHINGTON DC (August 28, 2019) — Senator Charles "Chuck" Grassley will participate in a tour with Representative Dave Loebsack, University of Iowa President Bruce Harreld, and NASA Administrator Jim Bridenstine on Friday, August 30, at The University of Iowa’s Department of Astronomy and Physics. The tour will take place at Van Allen Hall located at 30 N. Dubuque St. in Iowa City. The tour will begin at 9:30AM CT with press-availability to follow, 10:15–10:40AM CT.