Is it feasible to upgrade the B-36J?

The terrific looking B-36J, the plane with 6 turning and 4 burning engines, was it possible to upgrade? Maybe making it capable of inflight refueling, modified turboprop engines like the ones on the C-133 and maybe new jet engines.?
 

Archibald

Banned
Or the X-6, next step after the NB-36H: as you said, six piston engines, four turbojets and.. four more turbojets, nuclear.

Convair_B-36_X-6.jpg
 

Ak-84

Banned
The vulnerability of the B-29's to USSR and later North Korean MiG's in the Korean War means piston engined planes were on the way out. The '36's max speed was almost the same as the '52's cruise speed.
 
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