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[ Beep ]

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[ Music ]

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[ Inaudible Radio Call ]

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>> Bermuda.

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>> Bermuda's green.

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>> Vangard.

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>> [inaudible] is green.

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>> Ascension.

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>> Ascension go.

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>> [inaudible] Houston
network net one.

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>> [inaudible] read
you loud and clear.

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We're a go except
for that [inaudible].

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>> This is Mission Control,

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Houston where all the basic
decisions are made during an

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Apollo mission.

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From here, flight
controllers direct a mission

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from the time the spacecraft is
launched until it is recovered.

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This is the focal point for
all critical information

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on the spacecraft
and the flight crew,

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where real time decisions
must be constantly made.

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It is also from here that
the world gets news firsthand

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and can follow the progress
of the flight almost

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as fast as it's happening.

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[ Inaudible Radio Chatter ]

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There are two control rooms.

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Each can be used independently,

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and a separate mission
can be handled

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in each at the same time.

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Apollo flights are also
supported by launch facilities

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at the Kennedy Space
Center in Florida.

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>> [inaudible] Honeysuckle
network net one.

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>> Honeysuckle read
you loud and clear.

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Our status is green.

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>> Rudder [inaudible].

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>> Launch vehicle monitors at
the Marshall Spaceflight Center

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in Alabama, and a worldwide
communications network

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of tracking stations through
the Goddard Spaceflight Center

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in Maryland.

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The network of tracking stations

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and the mission control
center are joined

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by the communications
command and telemetry system.

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This message carrying system
is the communications link

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between the spacecraft
and the ground.

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The system consists of
three digital computers,

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two of them provide
for mission support.

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While one is in use, the second
stands by, and the third is used

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for Apollo program development.

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This computing complex, one of
the world's largest, collects,

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processes, and sends to Mission
Control all the information

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needed to direct every
phase of the Apollo mission

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at over three times the
speed of earlier systems.

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The complex works in real
time, meaning almost as fast

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as events are happening.

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>> Dynamic [inaudible].

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>> During the Apollo mission,

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the main mission operations
control room is supported

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by six nearby staff
support rooms.

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In these rooms, men
keep close tabs

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on the various systems
of the spacecraft.

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They check the information
flowing in and establish trends

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for long term performance.

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Throughout the mission, flight
controllers constantly check

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and analyze the status
of the spacecraft.

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Are all systems operating
within pre-established limits?

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Are mission events
occurring as planned?

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[ Inaudible Radio Chatter ]

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The physical conditions

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of the flight crew are
also of prime concern.

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Are respiration rates normal?

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Should the astronauts
drink more water?

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>> You got it up there, Gunn?

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>> Yeah, I got it.

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That's pretty good.

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>> Okay, and [inaudible].

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>> Digital [inaudible].

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>> Through all the phases
of the Apollo mission,

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the real time computing complex
provides flight controllers

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with the display
information they need

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to make recommendations
concerning the flight crew

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and the spacecraft.

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Near the end of the Apollo
mission, when reentry is

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about to begin, it is,
again, the computer complex

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which provides updated
information

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for the spacecraft computer

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so that Apollo can make
a controlled reentry.

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Mission Control, through
its vast communications

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and computing resources
finally directs the recovery

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of the flight crew.

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>> Okay. Aircraft and ships.

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Now, we got this [inaudible].

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>> Go ahead retro.

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>> Source for high speed from
Canary to nets reading 107.3.

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So, we got to find [inaudible].

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>> Control of an Apollo mission,
be it an earth orbital flight

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or a trip to the moon,
takes place in this room.

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Success depends on the flight
controllers and the critical,

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real time decisions
they must make

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for the astronauts
and their spacecraft.

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>> We're green.

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[inaudible] two.

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>> Okay.

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>> [inaudible] yaw.

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How's it look for
nominals, George?

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>> Go with the nominals.

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>> Roger that.

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>> One hundred percent.

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>> You bet.

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>> We're home.