Information: - The United States Marine Corps (USMC) is a branch of the United States Armed Forces responsible for providing power projection, using the mobility of the United States Navy, by Congressional mandate, to deliver rapidly, combined-arms task forces on land, at sea, and in the air. The U.S. Marine Corps is one of the four armed service branches in the U.S. Department of Defense (DoD) and one of the seven uniformed services of the United States. The current Chairman of the Joint Chiefs of Staff, the highest-ranking military officer in the U.S. armed forces, is a Marine Corps general. - Robert Earl was a United States Marine lieutenant colonel and a deputy to Oliver North at the National Security Agency during the early 1980s . - Oliver Laurence North (born October 7, 1943) is an American political commentator and television host, military historian, "New York Times" best-selling author, and former United States Marine Corps lieutenant colonel. After reading the paragraphs above, we are interested in knowing the entity with which 'robert earl ' exhibits the relationship of 'military branch'. Find the answer from the choices below. Choices: - united states marine corps - united states navy
Answer:
united states marine corps