Unprotected nevermore Published Oct. 15, 2002 OPERATION ENDURING FREEDOM (AFPN) -- An Air Force security forces Phoenix Raven stands guard as a C-130 Hercules from the 320th Air Expeditionary Wing taxis at an austere landing zone in Afghanistan. Ravens are groups of specially trained security forces people who provide force protection for aircrews and resources that transit high terrorist and criminal threat areas. (Photo by Staff Sgt. Aaron Allmon)