Final answer:
General David H. Berger is the 38th Commandant of the Marine Corps, the highest-ranking officer in the Marines, with responsibilities that include advising the President and other key officials.
Step-by-step explanation:
The current (38th) Commandant of the Marine Corps is General David H. Berger. He assumed the position on July 11, 2019, succeeding General Robert Neller. As the Commandant, General Berger is the highest-ranking officer in the United States Marine Corps and is responsible for ensuring the organization, policy, plans, and programs for the Marine Corps as well as advising the President, Secretary of Defense, National Security Council, Homeland Security Council, and the Secretary of the Navy on matters involving the Marines.It is essential to understand the role and the historical context within which the Commandant operates. The Commandant has played key roles throughout history, in missions ranging from assault on Iwo Jima in World War II to modern-day conflict zones like Iraq. Generals who have held the position, such as Lt. General James Conway and others, have been involved in crucial wartime decisions and pivotal moments in Marine Corps history.