U.S. Air Force Academy Preparatory School cadet candidates exit the Prep School parade field here after a memorial commemorating National POW/MIA Recognition Day Sept. 19, 2014. In spring 2015, many cadet candidates participated in the Academic Enrichment Program, which allows them to take several advanced classes with the possibility of college credit. (U.S. Air Force photo/Airman 1st Class Rachel Hammes)