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?
George Brett (general):  In early 1942, he was put in charge of United States Army Forces in Australia, until the arrival of Douglas MacArthur. Douglas MacArthur: Douglas MacArthur (26 January 18805 April 1964) was an American five-star general and Field Marshal of the Philippine Army. Douglas MacArthur:  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.
the Philippines Campaign