# American Aviation Heritage National Historic Landmark Theme Study
**AGENCY:**
National Park Service, Interior.
**ACTION:**
Notice of theme study.
**SUMMARY:**
Notice is hereby given that the National Park Service, in cooperation with the United States Air Force is preparing a National Historic Landmark Theme Study on the history of American Aviation. The purpose of this study is to develop a historic context on the story of American Aviation and to identify and prioritize potential National Historic Landmarks.
**FOR FURTHER INFORMATION CONTACT:**
John H. Sprinkle, Jr., Ph.D., National Register, History and Education (2280), National Park Service, 1849 C Street, NW., Room NC 400, Washington, DC 20240. Telephone 202-354-2228.
Dated: April 9, 2004.
Carol D. Shull,
Chief, National Historic Landmarks Survey and Keeper of the National Register of Historic Places, National Register, History and Education, National Park Service.