Col. Jay Gallivan, commander of 402nd Field Artillery Brigade, listens to 2nd Battalion, 362nd Field Artillery Regiment, brief his staff on an upcoming exercise during a Rehearsal of Concept Drill recently at Fort Bliss, Texas. ROC drills allow commanders to address concerns and ask questions of the Brigade staff prior to executing a mission set. (Photo by Sgt. 1st Class David Parish, Mobilization Training Center Bliss Public Affairs) 402nd FA unit prepares for first O-C-T mission 150209-A-ZZ999-002

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Keywords: 402nd, armed, army, bliss, conflict, fa, forces, fort, military, rehearsal, states, texas, united, war