The primary objective of Apollo
9 was
to test the lunar
module in Earth orbit. This would be the first manned mission on which
a lunar module was flown.
The Apollo 9 crew consisted of Commander
James A. McDivitt, Command Module Pilot David R. Scott and Lunar Module
Pilot Russell L. Schweickart.
The
Command Module was named Gumdrop and the Lunar Module was named
Spider. The names were derived from the general shapes of the two
spacecraft.
This was the first manned US mission to have its spacecraft named since
Gus Grissom had used Molly Brown for the name of Gemini III.
Apollo 9 was launched with a Saturn V on March 3,
1969. The crew separated the command service module
from the third stage of the Saturn V at 2 hours and 41 minutes after
launch. The third stage of a Saturn V was called an S-IVB.
The lunar module was housed in the S-IVB in the conical section below
the command service module. After the command service module separated
from the S-IVB, the four panels forming the conical section of the
rocket were jettisoned to expose the lunar module.
The crew then did a
maneuver called transposition and docking.
During this maneuver the command service module turned around and
docked with the top hatch of the lunar module. Docking was completed at
3 hours after launch.
While in the docked configuration the service propulsion system engine
on the service module was fired several times to alter the orbit of
Apollo 9. The descent engine on the lunar module was fired for
367 seconds. All of these engine firings were done to simulate
maneuvers that would be used later on in the Apollo program at the Moon.
Astronaut Schweickart performed a 37.5-minute EVA from the
porch of the
lunar module. This EVA tested out the portable life support system and
the same type of spacesuit that would later be used on the lunar
surface. During his EVA astronaut Schweickart exclaimed, "Boy, oh boy ...
What a view!"
Schweickart's EVA
was done with
some concern. He had been afflicted with motion sickness that
often
affects astronauts when they are first adapting to weightlessness. If
Schweickart had vomited in the confines of his spacesuit helmet, he
could easily have choked on his own vomit. Fortunately he
recovered
sufficiently and the EVA did not have to be canceled.
At the same time that Schweickart was doing his EVA, astronaut Scott in
the command module opened up the side hatch of the command module and
did a stand up EVA from there. The objective of Scott's EVA was
photography.
On March 7, 1969, astronauts McDivitt and Schweickart in the lunar
module separated from the command module. Astronaut Scott
remained on board the command module. The descent engine of lunar
module Spider was fired to put it in a slightly higher orbit than that
command service module.
After some maneuvering, the descent stage was jettisoned
from the lunar
module and the ascent engine of the ascent stage that housed the crew
was fired. This simulated a liftoff from the lunar surface.
Spider was docked with Gumdrop and McDivitt and Schweickart transferred
back into the command module to rejoin Scott.
The Apollo 9 crew returned to earth on March 13, 1969.
Splashdown was in the Atlantic Ocean and the
aircraft carrier U.S.S.
Guadalcanal was the primary recovery ship.
They had gone around the Earth 151 times during their mission.
The mission duration was 10 days, 1 hour, 0 minutes, and 54 seconds.
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