Stone won an Academy Award for Best Adapted Screenplay as writer of Midnight Express (1978). He also wrote the acclaimed gangster movie Scarface (1983). Stone achieved prominence as director/writer of the war drama Platoon (1986), for which he won the Academy Award for Best Director and the film received Best Picture. Platoon was the first in a trilogy of films based on the Vietnam War, in which Stone served as an infantry soldier. He continued the series with Born on the Fourth of July (1989)—for which Stone won his second Best Director Oscar—and Heaven & Earth (1993). Stone's other notable works include the Salvadoran Civil War-based drama Salvador (1986); the financial drama Wall Street (1987) and its 2010 sequel Money Never Sleeps; the Jim Morrison biographical film The Doors (1991); the satirical black comedy crime film Natural Born Killers (1994); and a trilogy of films based on the American Presidency—JFK (1991), Nixon (1995) and W. (2008). His latest film is Snowden (2016).