* HarsherInHindsight: The [[http://en.wikipedia.org/wiki/Shooting_of_Trayvon_Martin shooting of Trayvon Martin]] by a member of the neighbourhood watch caused plenty of problems for the film.
* HeyItsThatGuy: [[FullMetalJacket Drill Sargent Hartmann]] is killed by aliens.
* OneSceneWonder: R. Lee Ermey's role.