Not really true, but the story does match with Tour of Duty and shows that at least Kerry is telling a consistent story now.
However, Kranish's article here also points to the fact that it is completely at odds with his congressional testimony and previous statements in which he says he was not 'near' Cambodia, but in Cambodia.
Your statement and two questions below are the main reason I posted that entire article that was written by "Michael Kranish".
"Story was written for the Globe by "Michael Kranish"
"This is the same guy Kerry PAID to write the intro for his ghost-written book!!!
"What else was he paid for?!?!"
This past 4th of July I got to talk to a WWII vet who lives in Boston. He said that the Globe had done the same thing with Kerry that it had done with Jack and Ted Kennedy. It had made them appear to be heros instead of what they really were. He was the one who told me to do some searching on Globe articles and special articles as this one was, that were written to make Kerri a hero instead of a liar.