North American B-45 Tornado - list of versions
XB-45 - prototypy light four-engine jet bomber, J35 engines; 3 pcs
B-45A - serial variant, most with J47 engines; 97 pcs
TB-45A - designation for several B-45As with original Allison engines used for jet bomber pilot training
JB-45A - one machine used to test Westinghouse engines, with the Westinghouse J34 engine placed under the bomb bay
B-45B - variant project with radar-controlled tail tower, development unfinished
B-45C - variant with the possibility of in-flight refueling and additional tanks at the ends of the wings; 10 pcs
DB-45C - conversion to control drones
JB-45C - a machine used to test Pratt & amp; Whitney J57 and J75
RB-45C - photo-research variant, 33 pcs
TB-45C - 16 B-45C modified for towing targets
JRB-45C - One RB-45C used for various tests of engines, avionics and reconnaissance equipment