Ridderhof was ordered back to the Pacific area in June 1944 and succeeded his tactical school classmate, William L. McKittrick as chief of staff, 1st Marine Aircraft Wing.<unk> Ridderhof was ordered back to the Pacific area in June 1944 and succeeded his tactical school classmate, William L. McKittrick as chief of staff, 1st Marine Aircraft Wing. <unk> <unk> <unk> <unk>
Solomon Islands under Major General Ralph J. Mitchell. Ridderhof received Bronze Star Medal with Combat "V" for his service in late 1944.