WATCH LIVE: The Navy will commission USS Iowa (SSN 797) on April 5, 2025. SSN 797 is the 5th Navy ship to be named Iowa; it is the first submarine named after the state.The USS IOWA SSN 797 is a fast-attack nuclear powered submarine for the U.S. Navy. Learn how you can support the crew, the christening, and ultimately the commissioning of the submarine that will carry IOWA’s name through the next 3 decades + of service.The submarine’s sponsor is Christie Vilsack, who will call the order for the crew to bring the ship to life.