Too many topics, too little time

Not very clever, are they?. “We entered the country at midnight on March 26…” Isn't a bit odd how these letters — all with different signatures at the bottom — are identical? Pfc. David Deaconson and Spc. Nathan Whitelatch, for example, don't just seem to have the same writing style, they have the same writing! It would seem that at least some parts of the US government still don't quite get the internet. Is this kind of letters-to-the-editor war propaganda standard operating procedure? [MetaFilter]

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or better how long has it been going on?