3. Who was the US commander in the Central Pacific during the Iwo Jima invasion? a. General MacArthur b. Admiral Nimitz c. General Eisenhower d. Admiral Spruance

The correct answer is d. Admiral Spruance. Admiral Raymond A. Spruance was the US commander in the Central Pacific during the Iwo Jima invasion. He played a crucial role in the planning and execution of the operation, which was part of the larger island-hopping campaign in the Pacific Theater during World War II.