Based on Melville’s naval experiences, White-Jacket is a semi-autobiographical novel that critiques the harsh discipline and rigid hierarchy aboard a U.S. Navy ship. The protagonist, known only as White-Jacket, narrates his struggles and observations at sea. Readers appreciate the novel’s realism, social commentary, and insight into maritime life. It played a role in reforming naval flogging practices, demonstrating Melville’s ability to blend gripping storytelling with moral critique.