The Army is putting to pasture five ceremonial horse units that bring the service’s cavalry history of the Old West to life ...

Lt. Col. Tim Thomas, U.S. Army retired, is the keynote speaker, with a special presentation by Col. Herman Cole, U.S. Air Force retired of the Tuskegee Airmen Association.

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To participate, submit your response here by July 11 at 9 a.m. Eastern. This week’s winners will be announced by July 22. By The Learning Network Alvin Su, 15, writes that summer doesn’t need ...