What actions did Douglas MacArthur take which made him famous?

Douglas MacArthur gained fame through his leadership in the Pacific Theater during World War II, particularly for his successful strategy in the island-hopping campaign that led to the defeat of Japan. He was also known for his role in the post-war occupation of Japan, where he oversaw significant reforms in Japanese government and society. Additionally, his bold decision to return to the Philippines in 1944, fulfilling his promise to "return," solidified his reputation as a prominent military leader. His later involvement in the Korean War further enhanced his notoriety, particularly his controversial dismissal by President Truman.