Soldiers assigned to 579th Engineer operate heavy equipment during excavation operations at Combat Support Training Exercise 91-17-03 July 15, 2017 on Camp Roberts, CA. CSTX is a 91st TD led exercise designed to assist combat-service and combat-service-support units in planning, preparing, supervising and executing of pre-mobilization collective training. ( Army photo by Sgt. Rakeem Carter)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 1a, 1ae, 4th, army, brigade, cav, cavalry, coach/trainer, cstx, division, east, force, mftb, observer, oc/, policy, readiness, total