Cobra Gold already in the assault phase.

HAT YAO, Kingdom of Thailand-Republic of Korea Marines rush from an amphibious assault vehicle during an assault on a beach during exercise Cobra Gold 2012 here, Feb. 10. The U.S. Marines of the 31st Marine Expeditionary Unit, Royal Thai and Republic of Korea Marines conducted the multilateral assault to further strengthen the interoperability among the nations. The 31st MEU is the only continuously forward-deployed MEU and remains the nation’s force in readiness in the Asia-Pacific region., Cpl. Jonathan G. Wright, 2/9/2012 7:00 PM

AT YAO, Kingdom of Thailand-A U.S. Marine with Company B., Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, provides security alongside Republic of Korea Marines during exercise Cobra Gold 2012 here, Feb. 10. The U.S. Marines of the 31st MEU, Royal Thai and Republic of Korea Marines conducted the multilateral assault to further strengthen the interoperability among the nations. The 31st MEU is the only continuously forward-deployed MEU and remains the nation’s force in readiness in the Asia-Pacific region., Cpl. Jonathan G. Wright, 2/10/2012 7:34 AM

AT YAO, Kingdom of Thailand-U. S. Marines from Company B., Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, alongside Royal Thai Marines engage a simulated enemy during the amphibious assault portion of exercise Cobra Gold 2012 here, Feb. 10. The U.S. Marines of the 31st MEU, Royal Thai and Republic of Korea Marines conducted the multilateral assault to further strengthen the interoperability among the nations. The 31st MEU is the only continuously forward-deployed MEU and remains the nation’s force in readiness in the Asia-Pacific region., Cpl. Jonathan G. Wright, 2/9/2012 7:00 PM

AT YAO, Kingdom of Thailand -Royal Thai Marines exit an amphibious assault vehicle and begin securing the beach here, Feb. 10. The Royal Thai Marines were conducting a multilateral amphibious assault with U.S. and Republic of Korea Marines during Exercise Cobra Gold 2012. CG 2012 demonstrates the resolve of the U.S. and participating nations to increase interoperability and promote security and peace throughout the Asia-Pacific region. The 31st MEU is the U.S.’s expeditionary force in readiness in the Asia-Pacific region., Cpl. Garry J. Welch, 2/10/2012 6:31 AM

AT YAO, Kingdom of Thailand -Royal Thai Marines push forward as CH-46E Sea Knight helicopters with Marine Medium Helicopter Squadron 262, 1st Marine Air Wing, fly overhead during an amphibious assault here, Feb. 10. The multilateral assault included Royal Thai, Republic of Korea and U.S. Marines of the 31st Marine Expeditionary Unit, and was conducted during Exercise Cobra Gold 2012. CG 2012 demonstrates the resolve of the U.S. and participating nations to increase interoperability and promote security and peace throughout the Asia-Pacific region. The 31st MEU is the U.S.’s expeditionary force in readiness in the Asia-Pacific region., Cpl. Garry J. Welch, 2/10/2012 6:33 AM

AT YAO, Kingdom of Thailand -Marines with Company B, Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, exit an amphibious assault vehicle and begin to secure the beach here, Feb. 10. The assault was a multilateral exercise that included Royal Thai, Republic of Korea and U.S. Marines, and was conducted during Exercise Cobra Gold 2012. CG 2012 demonstrates the resolve of the U.S. and participating nations to increase interoperability and promote security and peace throughout the Asia-Pacific region. The 31st MEU is the U.S.’s expeditionary force in readiness in the Asia-Pacific region., Cpl. Garry J. Welch, 2/10/2012 6:34 AM

AT YAO, Kingdom of Thailand -A Marine with Company B, Battalion Landing Team 1st Battalion, 4th Marines, 31st Marine Expeditionary Unit, provides security during an amphibious assault here, Feb. 10. The assault was a multilateral exercise that included Royal Thai, Republic of Korea and U.S. Marines, and was conducted during Exercise Cobra Gold 2012. CG 2012 demonstrates the resolve of the U.S. and participating nations to increase interoperability and promote security and peace throughout the Asia-Pacific region. The 31st MEU is the U.S.’s expeditionary force in readiness in the Asia-Pacific region., Cpl. Garry J. Welch, 2/10/2012 6:35 AM