Perla Romo Knudstrup, wife of Lt. Cmdr. Timothy Knudstrup, Washington Navy Yard Strategic Systems Programs, runs from a “zombie” during the Zombie Apocalypse Run at Joint Base Andrews, Md, Oct 30, 2014. Military Families around the National Capital Region were invited to attend “Trunk or Treat” and the Zombie Apocalypse Run in celebration of Halloween. (U.S. Air Force photo/ Senior Airman Nesha Humes)