Staff Sgt. Matt Ralston, Survival, Evasion, Resistance and Escape specialist with Detachment 3, 66th Training Squadron teaches students how to use a compass for land navigation at Joint Base San Antonio-Medina Annex July 26, 2018. The skill was part of the SERE Specialist Training Orientation Course. The course last 15 days and introduces students to the physical and mentally demanding rigors of being a SERE specialist.

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Keywords: air, america, annex, antonio, archive, armed, army, base, defence, escape, evasion, force, forces, joint, land, medina, military, navigation, navy, orientation, reportage, resistance, ruck, san, sere, service, serviceman, servicemen, soldier, states, survival, united, usa