Millennium Force design and development phases of Millennium Force took place over five years. The first rumors that a new record-breaking roller coaster would be built at Cedar Point, which included speculation about a ten inversion roller coaster from Bolliger & Mabillard and an Arrow Dynamics MegaLooper, began circulating in early 1998. A roller coaster from D. H. Morgan Manufacturing was also rumored. On July 2, 1999, Cedar Fair Entertainment Company filed a trademark for the name Millennium Force, which raised more speculation about what the ride would be like. About a week later, the first track pieces were seen at the
Kingda Ka side, where they can choose to sit in the front or rear of the train. During recent seasons it has become common that only one train bay (the forward one on the side opposite of the parking lot) be used for the loading, unloading, and dispatching of trains and that the other train or trains in operation on any given day wait either in the station behind a loading/unloading train or outside of the station on the brakes that follow the second hill. Two operators load, check and dispatch each train; another launches the trains. Kingda Ka's music is by