A Bangladesh Air Force (BAF) and a U.S. Air Force loadmaster drop a low-cost, low-altitude airdrop bundle from a U.S. Air Force C-130 Hercules aircraft over Bangladesh during exercise Cope South 14 Nov. 12, 2013. Cope South is an annual bilateral aerial exercise designed to increase the combat readiness and interoperability of the U.S. Air Force and the BAF.