Centrifuge - October 1968 centrifuge runs with the prime crew to familiarize them with accelerations expected during flight. Audio is from the post-flight crew debriefing. Altitude Chamber - The prime crew in an altitude chamber run with their spacecraft. No audio. To The White Room - A unique astronaut-view walkthrough from the base of the launcher to the white room, the route the crew took to board the spacecraft on launch day. Audio commentary from the post-flight debrief. Countdown Demonstration Test - Suitup and transfer to pad during the pre-launch countdown demonstration test. Audio is from post-flight debriefing. Deluge Test - Pad 39a featured a water deluge system to protect hardware from the heat and flame of a Saturn V launch. This is a test of the system prior to Apollo 8. Audio is from post-flight debriefing.