Lt. Col. Keith Croom's first reaction is to crack a joke and a smile. He has the ease and charm you would expect from a man raised in the South. You probably wouldn't call him serious, and definitely not somber.
Until you bring up his job. Because there's not much funny about his job.
Croom is a chaplain in the U.S. Army, assigned as that branch's senior chaplain at Arlington National Cemetery.
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