U.S. Navy Hospital Corpsman 3rd Class Ryan Prout, right, Marine Aircraft Group 36, assists Royal Thai Air Force Wing Commander Oranut Chulajata, hospital director, Wing One Hospital, try on a field medical backpack during Exercise Cobra Gold 2012, Nakhon Ratchasima, Thailand, Feb. 12, 2012. U.S. Marines and sailors give classes about medical supplies and procedures in the clinic to Royal Thai service members. The exercise improves the capability to plan and conduct combined joint operations, building relationships between partnering nations and improving interoperability with participating nations across the Asia-Pacific region.