The E-11 is the standard blaster rifle carried by Imperial stormtroopers in Star Wars, first seen in the original 1977 film. Its distinctive firing sound became part of the franchise's audio identity across later films, television series, video games and toys, making it instantly recognisable even to people who have never fired a fictional weapon. Shared widely through soundboards, memes and fan edits alongside other Star Wars audio such as Darth Vader, the clip endures because it instantly signals science fiction combat, humour and nostalgia in just a fraction of a second.