It’s on a football field, so it counts: As part of a series of events surrounding their spring scrimmage at Fort Benning, Ga., last March, Army honored a number of heroes in an on-field pregame ceremony. A picture of all the honorees — part of an appreciation written by a retired Army colonel — is here, but let’s consider the above trio for a minute. On the left sits retired Lt. Gen. Harold “Hal” Moore Jr., Class of 1945, who earned a Distinguished Service Cross for his actions during a three-day battle in Vietnam’s Ia Drang Valley in November 1965.…