Staff Sgts. Ryan Grubaugh and Josue Balbas move a low cost aerial delivery system bundle into the cargo compartment of a C-130J Hercules aircraft. U.S. Air Force Staff Sgts. Ryan Grubaugh and Josue Balbas move a low cost aerial delivery system bundle into the cargo compartment of a C-130J Hercules aircraft at Kandahar Airfield in Afghanistan on July 16, 2010. The airmen are both aerial porters deployed to the 451st Expeditionary Logistics Readiness Squadron and the aircraft is assigned to the 772nd Expeditionary Airlift Squadron. Low cost aerial delivery system bundles are designed to provide supplies to remote forward operating bases in a timely, safe and cost-efficient manner. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 587835-O-LRM98-236.jpg Photo Gallery