Question: For which campaign did this American five-star general, who took over George Brett's command of United States Army Forces in Australia, receive the Medal of Honor?

 He was Chief of Staff of the United States Army during the 1930s and played a prominent role in the Pacific theater during World War II. Douglas MacArthur (26 January 18805 April 1964) was an American five-star general and Field Marshal of the Philippine Army.  He received the Medal of Honor for his service in the Philippines Campaign, which made him and his father Arthur MacArthur, Jr., the first father and son to be awarded the medal.  He was one of only five men ever to rise to the rank of General of the Army in the US Army, and the only man ever to become a field marshal in the Philippine Army. <SEP> The General of the Air Force (abbreviated as GAF) is a five-star general officer rank and is the highest possible rank in the United States Air Force.  General of the Air Force ranks immediately above a general and is equivalent to General of the Army in the United States Army and Fleet Admiral in the United States Navy.  The rank has only been held once in history, by General Henry H. Arnold, who served as head of the United States Army Air Forces during World War II. <SEP> Fort Bragg, North Carolina, is a military installation of the United States Army and is the largest military installation in the world (by population) with more than 50,000 active duty personnel.  The installation is located within Cumberland, Hoke, Harnett and Moore counties.  The installation borders the towns of Fayetteville, Spring Lake and Southern Pines.  It was also a census-designated place in the 2010 Census, during which a population of 39,457 was identified.  It is named for Confederate General Braxton Bragg.  It covers over 251 sqmi .  It is the home of the Army's XVIII Airborne Corps and is the headquarters of the United States Army Special Operations Command, which oversees the U.S. Army 1st Special Forces Command (Airborne) (Provisional) and 75th Ranger Regiment.  It is also home to the U.S. Army Forces Command, U.S. Army Reserve Command, and Womack Army Medical Center.  Fort Bragg maintains two airfields: Pope Field, where the United States Air Force stations global airlift and special operations assets as well as the Air Force Combat Control School, and Simmons Army Airfield, where Army aviation units support the needs of airborne and special operations forces on post. <SEP> George Howard Brett (7 February 1886 – 2 December 1963) was a United States Army Air Forces General during World War II.  In early 1942, he was put in charge of United States Army Forces in Australia, until the arrival of Douglas MacArthur.  An Early Bird of Aviation, Brett served as a staff officer in World War I.  In 1941, following the outbreak of war with Japan, Brett was appointed Deputy Commander of a short-lived major Allied command, the American-British-Dutch-Australian Command (ABDACOM), which oversaw Allied forces in South East Asia and the South West Pacific.  Brett then commanded all Allied Air Forces in the Southwest Pacific Area.  In November 1942, he was appointed commander of the US Caribbean Defense Command and remained in this post for the rest of the war.