Millennium Force Millennium Force Millennium Force is a steel roller coaster located at Cedar Point amusement park in Sandusky, Ohio. Manufactured by Intamin, it was the park's fourteenth roller coaster dating back to the opening of Blue Streak in 1964. Upon completion in 2000, Millennium Force broke six world records and was the world's first "giga coaster", a term coined by Intamin and Cedar Point to represent roller coasters that exceed in height and complete a full circuit. It was briefly the tallest and fastest in the world until Steel Dragon 2000 opened later the same year. The ride is also the
Kingda Ka brake fins in the launch section keep fast-moving trains from returning all the way back to the station during failed attempts to complete the tophat element. The incident caused an unexpected stress on a number of fins, bending them forward. Not all required replacement, but there were more damaged brake fins than Six Flags had replacements for. Extra brake fins had to be ordered from the manufacturer, Intamin in Switzerland, and the ride had to undergo thorough testing following the repair. Kingda Ka reopened on August 4. Kingda Ka was struck by lightning in May 2009 and suffered serious damage.