Marines with 3rd Reconnaissance Battalion, Ground Combat Element, 3rd Marine Expeditionary Brigade Forward, III Marine Expeditionary Force, glide down to earth in a formation after executing a high-altitude, low-opening jump Feb. 8. The HALO jump was performed at 18,000 feet out of a KC-130 Hercules Aircraft as part of Exercise Cobra Gold 2011. Cobra Gold is a yearly multinational, joint training exercise designed to improve to interoperability of partner nations to better respond to regional contingencies and natural disasters.