The new Age or Atomics, means every aircraft flying overhead can potentially destroy a city, something that before needed hundreds of heavy bombers flying multiple raids.
Photo-Recon, or Bomber?
Weather Flight, or Bomber?
Pathfinder, or Bomber?
the VVS was not ready for that in November, 1945
Now could say that neither could the USAAF
The B-29 Bockscar flew around Kokura for almost an hour, looking for a break in the overcast, as the RoE did not allow for Radar Bombing. There was enough fuel for one attempted run on Nagasaki, that was still partially obscured, but Major Sweeney made the call to drop, even though the designated aimpoint was overcast, and dropped several miles away and the blast was channeled by the Urakami valley, that reduced the bombs effect on half of the city.
On the approach to landing at Okinawa(the extra loitering and a stuck valve on a fuel tank ruled out a return to Tinian) #2 Engine ran out fuel on landing, with the rest about to do so.