Col. Andrew Purath, 11th Wing and Joint Base Andrews commander, tries on multiple facemasks while Staff Sgt. Andy Keala Anoa’i Renteria, 11th Wing SparkX Cell innovations technician, observes at the SparkX Cell on JBA, Md., Apr. 8, 2020. Each single model of facemask printed takes varying amounts of time to print, with the quickest being three hours and the longest up to eight hours. SparkX Cell team members have been making prototype personal protective equipment in an effort to help prevent the spread of COVID-19. (U.S. Air Force photo by Airman 1st Class Spencer Slocum)