In actual Golden Age comics, the character joins the U.S. Army and in one occasion returned to nursing. The real Diana Prince later returns and tries to assume Diana's role, since her inventor husband is having financial trouble selling his weapon to the army.
In the actual Golden Age comics, the character serves in the U.S. Army and occasionally takes up nursing again. Later, the genuine Diana Prince returns and tries to assume Diana's position, due to her inventor spouse facing financial difficulties marketing his military equipment to the army.