Question: Albert Lee Ueltschi was enshrined at Dayton, Ohio along with which American pilot who served in the United States Air Force and test pilot for the North American X-15 program?
Sentence (from "Aircraft Research and Development Unit RAAF"): The Royal Australian Air Force's Aircraft Research and Development Unit (ARDU) plans, conducts and analyses the results of ground and flight tests of existing and new Air Force aircraft.
Relevant evidence: No