A J15 with bubbles!
Well, if the bubbles had been a mere two years earlier, and steam less than two years later, could have happened......
In May 1980 I watched an 1879-built wood-burning 2.4.0 tender engine, built by Sharp, Stewart & Co., Atlas Works, Manchester*, leave Madiun (Java, Indonesia) to head off to a modern military air base with a tanker of jet aeroplane fuel in tow.....!
Ye couldn't have made it up. The same locomotive lasted in traffic until as late as 1987 - one of the last steam locos of the PJKA in use.
(* before they moved to Glasgow)