During the war Lundberg was an adjutant with the 387th bomb group and after the war he partnered with the group's flight surgeon to buy Culligan Soft Water franchises in Kewanee and Macomb, Illinois and Kenosha, Wisconsin. In 1948, after the death of his older brother, Brick returned to Kewanee to be near his father.
During World War II, Lundberg worked as an adjutant for the 387th bomb group. After the war, he partnered with the group's flight surgeon to open Culligan Soft Water franchises in Kewanee and Macomb, Illinois, and Kenosha, Wisconsin. In 1948, Brick returned to Kewanee to be closer to his father after the death of his older brother.