Tropic Thunder

Stiller's idea for the film originated while playing a minor role in Empire of the Sun, and he later enlisted Theroux and Cohen to help complete the script. After the film was green-lit in 2006, filming took place in 2007 on the Hawaiian island of Kaua'i over thirteen weeks and was later deemed the largest film production in the island's history. The film had an extensive marketing promotion, including faux websites for the three main characters and their fictional films, airing a fictional television special, and selling the energy drink advertised in the film, ``Booty Sweat''.

Question: is tropic thunder based on a true story
Answer: no