[Date]
P.R. China
[Choose your jurisdiction - Washington, D.C. Embassy/Chicago Consulate/New York Consulate/San Francisco Consulate/Los Angeles Consulate]
Consular General,
I am writing in regard to my previous military experience. I was enlisted in the [country of service] [branch of service] from [date of start of service] to [date of end of service]. I served as a [military specialty] with the rank of [rank]. I no longer serve in the military in any capacity.
If you need any further details, please let me know.
Sincerely,
[Signature]
[Full Name]