Sgt. 1st Class David Cook, an observer coach/trainer assigned to 4th Cavalry Multi-Functional Training Brigade, leads the formation in preparation drills before starting a functional fitness challenge Jan 11 on Fort Knox, Ky. The functional fitness challenge was a completion held between the battalions of 4th CAV MFTB. ( Army

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Keywords: 1a, 1ae, 4th, america, armed, army, brigade, cav, cavalry, coach/trainer, defence, division, east, employee, federal, force, forces, government, mftb, military, observer, oc/, policy, readiness, service, states, total, united, usa