 This audio was used in creating an audio-visual presentation for the 2019 Mission Control update.When the Space Shuttle program began, the MOCRs were re-designated flight control rooms (FCR, pronounced "ficker"); and FCR 1 (formerly MOCR 1) became the first shuttle control room.FCR 2 was used mostly for classified Department of Defense shuttle flights, then was remodeled to its Apollo-era configuration.