[JAMF]

Wiki has this on it:

Although the 339th Fighter Squadron officially flew the mission, ten of the eighteen pilots were drawn from the other two squadrons of the 347th Group. A thorough, detailed briefing included a cover story for the source of the intelligence stating that a coastwatcher had spotted an important high officer boarding an aircraft at Rabaul, but the pilots were not specifically briefed that their target was Admiral Yamamoto.

Here's more:
http://www.acepilots.com/usaaf_mitchell.html

I'm sure there are quite a few "artist's impressions" of the event, so you should have a good idea which skins were used, but the whole group... that'll require some research.