Explosive ordinance disposal U.S. Marines and Cambodian Mine Action Center technicians pose for a picture in front of exploding ordinance at Kampong Chhnang, in the Kingdom of Cambodia, Nov. 5, 2015. U.S Marine EOD trained CMAC in support of the Humanitarian Mine Action program. The program focuses on assisting selected countries in relieving human suffering and in developing an indigenous mine action capability to help with explosive remnants of war. - Explosive ordinance disposal U.S. Marines and Cambodian Mine Action Center technicians pose for a picture in front of exploding ordinance at Kampong Chhnang, in the Kingdom of Cambodia, Nov. 5, 2015. U.S Marine EOD trained CMAC in support of the Humanitarian Mine Action program. The program focuses on assisting selected countries in relieving human suffering and in developing an indigenous mine action capability to help with explosive remnants of war.