Breadcrumb Home Kletzing excited to get radiation belt data from UI instruments Friday, August 31, 2012 Iowa Public Radio River to River http://www.washingtonpost.com/national/health-science/nasa-launches-twin-satell… UI physics professor Craig Kletzing says he's "very pumped" about the recent launch of twin satellites that will study the Van Allen radiation belts, named after the late UI space scientist James Van Allen.