They could have been hunting out terrorist insurgents who might be hiding in the marshes and islands in or near no-man's land; they could have been extracting a spy or leading dissident (that would explain Iran being all over them so soon); they could have been on an honest patrol, but gotten "spoofed" by anti-GPS technology; they could have been on a recon or sabotage mission, too.
But "delivering boats" East of Faw they were not. Not much of a cover story, I'm afraid.
I just got home from work! Are we bombing yet? Our local talk radio drive-time conservative didn't even mention this. Have Blair and Bush unleashed the hounds of hell on these freaks, yet?
Foxnews just showed a clip with Kimmet saying this was a training mission returning from Al Faw to their base in Basra.
Powell saying the British are talking directly to the Iranians.