Kerbal Space Program is a space flight simulation game developed by Squad, first released in early access in 2013 and fully launched in 2015. Players build rockets from modular parts, and decouplers are essential components that allow multi-stage rockets to shed empty fuel tanks and boosters during ascent. The distinctive separation sound became familiar to the game's large YouTube and streaming community, where flight highlights, failures, and cinematic launches are widely shared. Outside the game, creators reuse the clip as a generic stage separation and heavy detachment effect.