U.S. Marine Corps Cpl. Joshua Mackaman, a cyberspace warfare operator with Defensive Cyberspace Operations, Force Headquarters Group, Marine Forces Reserve help a civilian with a computer network analysis hacking game called “Packet Inspector” at DEF CON 31, Las Vegas, Nevada, Aug. 11, 2023. The Marines from FHG volunteered at the Caesars Forum in the “Packet Hacking Village”, a conference room turned computer hacking zone, to provide support to people from all skill levels about the importance internet safety procedures and practices. DEF CON helps identify opportunities to join and participate in think tanks, research organizations, interagency and industry sectors pertinent to DCO-IDM and Marine Forces Reserve. DCO-IDM and MARFORRES offer rare and valuable skills and experience found in a growing number of Reservists who work in cyber roles among hundreds of civilian employers. (U.S. Marine Corps photo by Cpl. Jonathan L. Gonzalez)