Something's wrong here. The Enterprise was CV-6, and was of a completely different class than the Intrepid. CV-10 was (and still is, since she's preserved) the second carrier named Yorktown. That ship is indeed a sister-ship of the Intrepid. I wonder if your 1/350 kit is perhaps the Trumpeter Yorktown. To my knowledge no company makes a 1/350 version of the old Enterprise (as opposed to the current, nuclear-powered one, which is in a couple of companies' ranges.
As for decals - check out the offerings of Gold Medal Models. An easy route there is the Steel Navy website (www.steelnavy.com). At the bottom of the home page are a bunch of manufacturers' icons; click on the one for Gold Medal Models. The company offers several decal sheets that would be relevant to this project: general-purpose USN markings and flight deck stripes, flight deck numerals, and aircraft markings.
Good luck.
Youth, talent, hard work, and enthusiasm are no match for old age and treachery.