I think you'll find that it's a wind-up It was on another site that I go on and I'm sure it was proved to be crap (a bit like their coffee really)
Same email was banded about last year. Last year's version claimed it was US Marines had written to Starbucks. I have also seen versions that name the Para's and Special Services.
Presume its chain mail
Sgt. Howard Wright seems to get around a bit
There coffee is **** anyway ,give me a cup of tea anytime .