[TankerKC]

Here is a CNN picture of Kerry hugging Alston, showing the size of Alston's head wound, and inferentially proving that Alston was too seriously wounded to return to duty on PBF-94 while Kerry was still in Vietnam:

That is one heck of a leap. You have NO idea how Alston got that "scar" on his head. None whatsoever.

[the Real fifi]

The medevac report which was on the Kerry site before it was scrubbed indicates Alston was medevaced because he'd received a head wound.