On the early morning of March 28, 1979, a serious incident unfolded at the Three Mile Island 2 nuclear power plant near Middletown, Pennsylvania. Triggered by mechanical failures and compounded by critical human errors, the accidents severity remained uncertain for four days, affecting plant managers, government officials, and the public alike. This event not only raised alarm bells across the nation but also ignited international scrutiny regarding nuclear safety. In response to these alarming concerns, this Commission was established to investigate the incident and its far-reaching implications. (Summary from the preface)