Service members unload disaster relief supplies. Service members unload disaster relief supplies delivered by two U.S. Air Force C-17 Globemaster III aircraft at Shuangliu International Airport in Chengdu, China, on May 18, 2008. U.S. Pacific Command is supporting relief efforts following a powerful earthquake that struck southwestern China on May 12. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 764729-H-OIV39-111.jpg Photo Gallery