Expo Explosion An AH-64D Apache attack helicopter flies in front of a wall of fire during the South Carolina National Guard Air and Ground Expo at McEntire Joint National Guard Base, S.C., May 6, 2017. The expo showcases South Carolina National Guard airmen and soldiers. Air National Guard photo by Tech. Sgt. Jorge Intriago SHARE: Download: Full Size (1.86 MB) Credit: Tech. Sgt. Jorge Intriago VIRIN: 170506-Z-XH297-039C.JPG Photo Gallery