On March 1944 , Royce returned to the United Kingdom as Deputy Commander of the Ninth Air Force to Lieutenant General Lewis H. Brereton and later Major General Hoyt Vandenberg .
From September 1943 to March 1944 , he was commander of U.S. Army Forces in the Middle East .
On March 1944 , commander returned to the United Kingdom as commander   of the Ninth Air Force to Lieutenant General Lewis H. Brereton and later Major General Hoyt Vandenberg .
From September 1943 to March 1944 , he was commander of U.S. Army Forces in the Middle East .