Just as it takes discipline to endure the rigorous training to become a U.S. Navy SEAL, it takes discipline to advance as a leader in any field, U.S. Navy SEAL Commander Rorke Denver told members and guests last week at the Iowa Farm Bureau’s 99th annual meeting in Des Moines.

Denver shared some important lessons he’s learned during his service in the U.S. Navy SEALs. These lessons, he’s found, have become important life lessons as well. His lessons come from his military career, including service in Liberia, Iraq and...