sentences:  After the era of slow promotions during the inter-war years of the 1930s, Power experienced the rapid rise in rank common to many officers of the pre-war Air Corps during World War II, becoming a major in March 1941, a lieutenant colonel in January 1942, and a full colonel in June 1943 eight days after his 38th birthday.He initially performed staff duties to September 1943 at Army Air Forces Flying Training Command headquarters in Fort Worth, Texas.Following his promotion to colonel he was assigned as deputy commander of the 58th Bombardment Operational Training Wing (Heavy) at Smoky Hill AAF, Salina, Kansas.