Galactica (formerly known as Air) is a flying virtual reality roller coaster located in the Forbidden Valley area of Alton Towers amusement park in Staffordshire, England. Previosly known as Air, It is the first ever flying coaster. Manufactured by Bolliger & Mabillard, Galactica is the company's first flying roller coaster. Guests ride in a prone position lying chest down and experience the feeling of flight by "flying" close to the ground, under footpaths, and narrowly past trees and rocks.

The roller coaster originally opened as Air on 16 March 2002 as the world's first flying roller coaster. Following the close of the 2015 season, the ride underwent refurbishment and reopened as Galactica on 24 March 2016. It features an 840-metre-long (2,760 ft) track, reaches a top speed of 75 km/h (47 mph), and debuted a dedicated virtual reality experience.

More Info: en.wikipedia.org