Spacecraft For Apollo (1960s)

[Music] when man Journeys to the Moon he will use a large and complex transportation system it's called Apollo Saturn all told the assembly is 363 ft high and at ignition weighs over6 million of this the portion that will make the to the Moon is the top 53 ft the Slender device at the very top is the launch Escape system if the launch is smooth and all systems operate properly it is discarded early in the flight the spacecraft consists of the Command Module the service module and the lunar module The Command Module is crew quarters cockpit and headquarters for the 8-day voyage this is the only portion of the spacecraft that will return to Earth the atmosphere inside will be such that the astronauts will not have to endure the discomfort of wearing their bulky pressure-tight space suits all the time however for safety and emergency reasons one crew member will be in his space suit at all times directly below The Command Module is the service module in a sense this is the basement of the spacecraft here are the fuel cells that will generate the electricity required for the spacecraft radio antennas storage space for experimental equipment and tools Fuel and oxidizer tanks for the service module also contains the main propulsion engine for lunar and Earth travel as Apollo approaches the Earth the service module is abandoned and the Command Module returns [Music] alone at launch the lunar module occupies the third position in the spacecraft during the lunar trajectory The Command Module and the service module fly out about 100 ft turn around and come back to dock with the lunar module [Music] as the spacecraft approaches the Moon it looks like [Music] this the lunar module actually consists of two vehicles The Descent stage which is mainly the landing gear and an engine that is gimb and can be throttled and the assent stage consisting of yet another engine and cockpit or cabin portion after the lunar exploration period The Descent stage is left on the moon as the ascent stage lifts to rendevu with the Command Module after the kumman transfer to the Command Module the lunar module is left in lunar orbit as the Command Module is steered into its Homeward [Music] course command service and lunar modules each performing an important job as man reaches for the Moon [Music] [Laughter] [Music]