"His life was centered around the Navy. One of his favorite things was his U.S. Naval Academy diploma, which has a picture of him shaking hands with President Reagan. This was unique because Reagan was one of the few presidents to stay through the entire ceremony. Most presidents only shake hands with the top of the class. My husband used to joke that he was in the top 98 percent of his class."

--Stephanie Dunn, wife

Source: The Washington Post, AP and washingtonpost.com

The profiles in this feature were written in the months following Sept. 11, 2001.