Covert ops are weird things, maybe they only had guys on the boat that had a security rating inclusive of their participation were invited and buddy was left behind peeling potatoes? Maybe the CIA dictated who the crew would be, or put men of there own behind the guns.
Who knows, brother. One thing is certain, the most he can be out is four months! snicker. Put in persepctive of thirty five years ago and the fog of war, what the hell...
After all, it not like were comparing notes with a heroric mission Bush conducted in South East Asia.
The closest W got to Cambodia and vioetnam was his fathers atlas.
He's still freaked out!