Carlos R., a Special Operations Training Services instructor, performs a conscious check on a volunteer from 1st platoon, Company L, 3rd Battalion, 25th Marine Regiment. Carlos, who was also a corpsman with Army and Marine Corps special forces, trained the Marines on combat trauma situations May 24 at the 25 Area Combat Town, Camp Pendleton, Ca. in preparation for the unit’s upcoming deployment to Afghanistan. - Carlos R., a Special Operations Training Services instructor, performs a conscious check on a volunteer from 1st platoon, Company L, 3rd Battalion, 25th Marine Regiment. Carlos, who was also a corpsman with Army and Marine Corps special forces, trained the Marines on combat trauma situations May 24 at the 25 Area Combat Town, Camp Pendleton, Ca. in preparation for the unit’s upcoming deployment to Afghanistan.