Royal Thai Air Force officers, Lt. Col. Sing Lee and Lt. Col. Kriangsak Lappaisan, along with St. Louis native, U.S. Air Force Lt. Col. Aaron Smoller, coalition force air commander liason,157th Air Operations Group, Missouri National Guard, listen to a conference call using a distributed communications system called Defense Connect Online at Contingency Command Post during Cobra Gold 2010. Cobra Gold is a regularly scheduled joint and multinational exercise hosted annually by the Kingdom of Thailand. This year marks the 29th anniversary for the exercise, which consists of a Global Peacekeeping Operations Initiative Exercise, Command Post Exercise, Humanitarian Civic Assistance projects and field training exercises.