Stan Christianson, retired naval aviator and volunteer at the Minnesota Air National Guard museum gives a presentation to students enrolled in the Minnesota Aviation Career Education Camp. ACE Camp is a week-long, residential, camp for high school students going into 10th through 12th grades. The camp allows these students to explore many different careers in the aviation field, including piloting, air traffic control, engineering, and the military. Minneapolis-Saint Paul Air Reserve Station, Minn. (U.S. Air Force photo by Tech. Sgt. Bob Sommer)