"Horizons", in its concept phase, was named Century 3 (or Century III), to recognize the third century of American existence (1976–2076). The name was changed to Futureprobe to help appeal the attraction toward international guests who wouldn't understand or appreciate "Century 3". In the end, the "Futureprobe" name was scrapped due to the medical connotation of the word "probe". After much debate, GE and Disney officials settled on the name Horizons. Prior to the start of construction, the project's budget was slashed by $10 million (USD). The building size was reduced and the length of the ride was shrunk by 35%, shortening the ride length by .