U.S. Marines with 2nd Battalion, 8th Marine Regiment, Regimental Combat Team 3, 2nd Marine Expeditionary Brigade, along with Afghan soldiers and police officers from the Afghan National Security Force, prepare to board CH-53D Sea Stallion and CH-53E Super Stallion helicopters at Forward Operating Base Dwyer, Afghanistan, on July 2, 2009. The Marines and the Afghan National Security Force are partnered for an operation in the Helmand province to transition security responsibilities to the Afghan forces.