When Truman replaced Forrestal with Louis A. Johnson in March 1949, the new defense secretary redistributed limited defense dollars to match America's military capabilities more accurately to the Soviet threat, cancelling the Navy's supercarrier-the USS United States-and investing more heavily in the Air Force's atomic bomber-the B-36.
Thanks for straightening me out on that. That's what I get for relying on recollections rather than Google in the middle of the night.