sentences:  Jones' 18-year period as director was one of the most successful in the history of the Hawkeye Marching Band.The band went through three different directors during the next few years and included a brief return by Morgan Jones during the mid-1990s.In the summer of 1998, the band found its next permanent director in Leroy Kevin Kastens, former director of the Marching Mizzou from the University of Missouri, as well as the Marching Hundred, from Indiana University.