The B-24D, 41-23661, Black Jack, one of two B-24Ds, named, Back Jack. This one, 41-23661, was from the 9th Air Force, the 98th Bomb Group, shown with the vertical fin markings of a fin robbed from, Valient Virgin, from the 8th Air Force, with, Valient Virgin' s olive drab painted tail fin and it's (hidden in this photo) abbreviated serial number, This fin was, apparently, robbed from the, Valient Virgin, for installation on, Black Jack. August 5-7, 1943, when these color photos were taken.