Hercules Formation Air Force Tech. Sgt. Liz Slagle watches another C-130 Hercules aircraft while flying in a formation over Denali National Park, Alaska, March 4, 2017. Slagle is a loadmaster assigned to the Alaska Air National Guard's 144th Airlift Squadron. Air National Guard photo by Staff Sgt. Edward Eagerton SHARE IMAGE: Download Image: Full Size (1.53 MB) Tags: training, Guard, AIR FORCE, Airmen Photo By: Staff Sgt. Edward Eagerton VIRIN: 170304-Z-MW427-360A.JPG Photo Gallery