Col. Samantha Weeks, 14th Flying Training Wing commander, looks at a 3d printer duing the Imagine the Possibilities Career Expo, Oct. 2, 2018, at the BancorpSouth Arena in Tupelo, Mississippi. The three-day expo showcased hundreds of career opportunities and was sponsored by more than 130 businesses to inspire local eighth-grade students. (U.S. Air Force photo by Elizabeth Owens)