11 Behind-the-Scenes "Top Gun" Facts You Probably Didn't Know

Iceman and Maverick's rivalry forms the main conflict in the first "Top Gun," and thanks to Kilmer, it got a very funny and realistic boost. In one scene, Maverick has to explain how, exactly, he saw an enemy plane perform a particular maneuver. After revealing that he saw it by flying, inverted, over said plane, Iceman chimes in with a faux-coughed, "Bulls**t," sending their fellow pilots into giggles. According to ScreenRant, that jab wasn't in the script — it was all Kilmer.