Alexei Danilovich Efimenko.

[Dave]

I don't know if you'd consider working for the Vietnamese a 'mercenary', but it's still an interesting document!

--Dave

[Dave]

Here's another document from him....
I think this one is fairly self-explanatory... (How many people keep their plane tickets from 1972???!!!)

[medals73]

Perhaps useful, a very well documented group of which I have images (only).

And (at the risk of taking us off topic), I have added the documents for the two Vietnamese awards.