Senior Airman Mathieu Beaulieu, 912th Air Refueling Squadron (left) and Senior Airman Jose Mora, 452nd Aerospace Medicine Squadron, prepare to set up a digital voice recorder during a September 2013 paranormal investigation at March Air Reserve Base, Calif. Beaulieu, an active duty mechanic, and Mora, a Reserve medical administration technician, joined forces to investigate various locations on the historic base.(U.S. Air Force photo/Linda Welz)