He'll be doing a web diary for CBBC Newsround.
Here, he talks about the difficulties getting on board.
Diary entry 1
It's not easy to get to the Ark Royal.
First we flew to the country of Bahrain, south of Iraq.
Then the really interesting bit.
We got up at 4am to board a British Navy ship called Diligence, which had come to pick us up.
Ten hour wait!