premise: Firefox is a piece of hardware.
hypothesis: Firefox is a 1982 American DeLuxe Color techno-thriller film produced , directed by and starring Clint Eastwood in Panavision . Though the film was set in Russia , authentic filming locations were not possible due to the Cold War , forcing Eastwood 's and Fritz Manes 's Malpaso Company to rely on Vienna and other locations in Austria to double for many of the Eurasian story locations . The film was shot on a $ 21 million budget , the largest production budget ever for Malpaso .