The term 'FORT IN 'GOLDFINGER'' is referring to Fort Knox, the United States Bullion Depository located in Kentucky. It is a fortified vault that houses a large portion of the United States' gold reserves. The name was famously used in the 1964 James Bond film 'Goldfinger' as the target of the villain's heist. The crossword solution for this term is KNOX, the four letter word that is the last name of the fort's namesake, Henry Knox.