The term 'Gung-Ho, When Doubled' can be solved by the crossword clue 'RAH' (3 letters). The term 'Gung-Ho, When Doubled' is a phrase that means to be enthusiastic and eager. It is derived from the Chinese phrase 'Kung Ho', which was adopted by the US Marine Corps during World War II. The phrase was popularized by US President Theodore Roosevelt, who used it to describe the spirit of the Marines. The phrase has since been used to describe any situation where someone is eager and enthusiastic.