From article
According to the BBC, up to 30 ex-pilots from the Royal Air Force may have travelled to China to instruct the People’s Liberation Army, which is now training the Chinese Air Force to battle the West.
According to the Washington Post, the United Kingdom has issued a threat alert advising to its former military pilots not to be seduced by China’s offers of lucrative contracts to train their armed forces. The threat alert cites worries over national security and combat techniques.
According to the BBC, up to 30 pilots from the Royal Air Force may have travelled to China to instruct the People’s Liberation Army while receiving salaries of up to £237,911 ($270,000).
I have done something like this, working for the Sultan of Oman.