U.S. Marine Corps aircraft, a CH-46E Sea Knight helicopter and a CH-53E Super Stallion helicopter, prepare to touch down to transport evacuees of a multinational emergency evacuation drill Feb. 17 in Pattaya, Chonburi province, Kingdom of Thailand, during exercise Cobra Gold 2013. Military members from Thailand, Japan, Indonesia, and Malaysia worked alongside U.S. Marines and sailors of the 31st Marine Expeditionary Unit to process multinational citizens through security and screening stations before evacuating them via helicopter. Cobra Gold is the largest multinational exercise in the Asia-Pacific region and helps develop interoperability between participants to effectively conduct humanitarian assistance and disaster relief operations.