<P> Modine described the shoot as difficult: Beckton Gas Works was a toxic and environmental nightmare for the entire film crew . Asbestos and hundreds of other chemicals poisoned the earth and air . Modine documents details of shooting at Beckton in his book, Full Metal Jacket Diary (2005). During the "Boot Camp" sequence of the film, Modine and the other recruits had to endure the rigors of Marine Corps training, including having Ermey yelling at them for 10 hours a day during the shooting of the Parris Island scenes . To ensure the actors' reactions to Ermey were as authentic and fresh as possible, Ermey and the recruits did not rehearse together . For film continuity, each recruit had to have his head shaved once a week . </P> <P> At one point during filming, Ermey had a car accident, broke all of his ribs on one side, and was out for four - and - half months . </P> <P> Cowboy's death scene shows a building in the background that resembles the famous alien monolith in Kubrick's 2001: A Space Odyssey (1968). Kubrick described the resemblance as an "extraordinary accident". </P> <P> During filming, Hasford contemplated taking legal action over the writing credits . Originally, the filmmakers intended for Hasford to receive an "additional dialogue" credit, but he fought for and eventually received full credit . The writer took two friends and visited the set dressed as extras, only to be mistaken by a crew member for Herr when Hasford identified himself as the writer whose work the film was based on . </P>

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