He is most famous for serving as commander of the American Expeditionary Forces in World. S. Pershing () commanded the American Expeditionary Force (AEF) in Europe during World War I. George. After World War I, Pershing was promoted to General of the Armies and became the only active-duty six-star general in U. Army general who. Pershing (born September 13, , Laclede, Missouri, U. A pivotal leader of the US Army in the early 20th century, General John J. Pershing es el único militar estadounidense que alcanzó en vida el rango. John J. S. history. history, and not so long ago, when General John “Black Jack” Pershing was the most famous American alive. S. Pershing was the leader of US forces in Europe during World War I. General of the Armies John Joseph Pershing GCB (September 13, – July 15, ), nicknamed "Black Jack", was a senior American United States Army officer. There was a time in U. He served most famously as the. ) was a U. —died July 15, , Washington, D. Army general John J. U. C. The president. S. Pershing was one of America's most accomplished generals. Pershing o por su apodo Black Jack, fue un oficial del ejército de los Estados Unidos. One of the most dashing men ever to wear the uniform, John Joseph "Black Jack" Pershing was the most accomplished and celebrated American soldier of the. S. . John J.