Gemini 4 Experiment Debriefing, 1967

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the manner in which this exercise
wi 11 be performed.
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Page 6
FIG. 7
4.
D-9, Simple Navigation
This experiment is designed to
develop and test navigation pro­
cedures which employ a simple
stadimetric device and a sextant
to make sightings and measurements
in space using the horizon and
stars as references. Data from
sightings wi 11 be used in compu­
tations to determine orbital
parameters. These results wi 11
be compared with actual
parameters to determine the
accuracy of the procedures.
The hand held sextant to be used
is shown in Figure 6.
5.
M-3, In-Flight Exerciser
The purpose of this experiment is
to assess the astronauts' capacity
to perform physi ca I work under
spacecraft conditions. Monitored
exercise wil I be performed by the
astronauts prior to the flight to
establish control data. l·sotonic
exercises employing a bungee
cord and involving the arms and
legs wi 11 be taken prior to and
a.fter exercising. Pulse rate wil I
be monitored continuously. The
inflight data obtained wil I be
compared with the control data
to determine the· capacity for
work in space. Figure 7 shows
M-913-65-04
0-9 SIMPLE NAVIGATION
HAND HELD SPACE SEXTANT
MG5-8097
FIG. 6
M-3 IN-FLIGHT
EXERCISER