University of Iowa junior and U.S. Navy veteran Thomas Lutz attended the commissioning ceremony of the USS Iowa on April 5 in Groton, Connecticut, as a guest of the Crystal Group. Lutz, a native of Denison, is studying chemical and biochemical engineering and also tutors veterans in math and chemistry. 

The USS Iowa is a fast-attack nuclear powered submarine for the U.S. Navy that is expected to be in service for the next three decades. 

The Hiawatha-based Crystal Group develops "rugged tech solutions" that are custom-tailored based on needs in mission-critical military and industry applications.