Marines and Sailors with Company K, 3rd Battalion, 7th Marine Regiment, triage and evacuate role-playing victims of a simulated vehicle-borne improvised explosive device during an embassy reinforcement scenario on Joint Forces Training Base Los Alamitos, Feb. 12, 2015. This training was a part of the Special Purpose Marine Air Ground Task Force Crisis Response – Central Command – 15.2 certification exercise, conducted across several locations in the Western United States. The purpose of the CERTEX was to test and certify SPMAGTF CR-CC 15.2 across a broad spectrum of mission essential tasks. - Marines and Sailors with Company K, 3rd Battalion, 7th Marine Regiment, triage and evacuate role-playing victims of a simulated vehicle-borne improvised explosive device during an embassy reinforcement scenario on Joint Forces Training Base Los Alamitos, Feb. 12, 2015. This training was a part of the Special Purpose Marine Air Ground Task Force Crisis Response – Central Command – 15.2 certification exercise, conducted across several locations in the Western United States. The purpose of the CERTEX was to test and certify SPMAGTF CR-CC 15.2 across a broad spectrum of mission essential tasks.