Unfit for Command
 Unfit for Command: Swift Boat Veterans Speak Out Against John Kerry is a 2004 book about then U.S. Presidential candidate John Kerry by John O'Neill and Jerome Corsi published by Regnery Publishing a conservative publishing house. It was a New York Times Bestseller upon its release in August 2004. The book was released at the time that ads by Swift Vets and POWs for Truth a group founded by O'Neill to oppose Kerry's campaign were being aired on U.S. television.