Cadet Mackenzie Vaughn, left, a senior at the U.S. Military Academy, and Cadet Chris Lillie, a junior with the University of Notre Dame's Reserve Officer's Training Corps program, completed a three-week-long internship with the Los Angeles District Aug. 8. The two shadowed engineer officers and district civilian professionals through a myriad of projects in order to gain experience and expose them to the inner workings of the Corps, its mission, and impact on society.