I've also heard they had the highest number of kills out of any aviation wing in WWII.
Their real claim to fame is "They were the only unit to not lose a single bomber on missions they have escorted".
I don't think so.
They were kept out of combat for much of their deployments in Africa and Europe and were only given real missions after some time.
One statement is that they never lost an escorted bomber to enemy fighters, but I think that was debunked (not that it matters).
They were heroes and fought for their country even as their country fought them and they paved the way for integration in ground combat units.
Never lost a bomber when they were flying escort. Never. This story was an HBO movie back in the mid-90's and it was very, very good. These men were treated less well than German POW's housed in the US and they served with great honor.