2 traitors are topic of the documentary:
Air pioneer who aided the Japanese in developing their naval aviation & supplying them with military secrets.
Frederick Joseph Rutland
Highly decorated former RAF Squadron- Leader Frederick Joseph Rutland helped the Japanese navy develop aircraft carriers in 1920s.
Is amazing how spies turned Japan into a major military power & advantage in early stages of WWII. After watching i wonder how many sinkies would fight to defend tiny island of S'pore as sinkies are marginalised into 2nd/3rd class citizens in their home country.
Sinkies' lives are dirt cheap compared to punishment meted out to foreigners:
Rather than pouring more & more taxpayers $$ into the industrial military complex, the more silent/hidden threat is spies from made-to-become 2nd/3rd class citizen troops whose lives are dirt cheap thanks to pro alien party's policies.