Not Found Sorry, the page you requested cannot be found. Search for: Recent Posts The SPIE Organization Trade Show Recap KRI will be at these upcoming trade shows - join us! P-Tech Students Tour KRI Dr. Harold Kaufman - Trailblazer of Ion Propulsion Most Used Categories News (3) Awards & Recognitions (1) Archives Archives Select Month October 2023 September 2023 June 2022 September 2016 TagsDr. Harold Kaufman Hall of Fame Ion Propulsion Kaufman & Robinson NASA