sentences:  The wing was reactivated and redesignated as the 73d Bombardment Wing (Very Heavy) on 20 November 1943 at Smoky Hill Army Air Field, Kansas.The new Boeing B-29 Superfortress wing was assigned four newly organized groups (the 497th, 498th, 499th and 500th Bombardment Groups), which were training in New Mexico and Arizona with B-17s and B-24s, due to a lack of B-29 aircraft.In April 1944, the groups were brought to several airfields in Kansas (Great Bend Army Air Field, Smoky Hill Army Air Field and Walker Army Air Field) where they were equipped with new B-29s manufactured by Boeing at their Wichita, Kansas plant.