Arnold promised that no effort would be spared to modify B-29s to do the job, and designated Major General Oliver P. Echols as the USAAF liaison to the Manhattan Project.
Arnold lovede, at alt ville blive gjort for at tilpasse B-29'eren til at klare opgaven, og udpegede generalmajor Oliver P. Echols som USAAF's forbindelsesofficer til Manhattanprojektet.