Timeline (extracted from CDR) :
will be launched two years prior to crew departure and will arrive
about 180 days later. By sending the module ahead of the crew, a
test harvest cycle can be performed and evaluated from earth to
determine if adjustments or modifications need to be sent with the
Upon arriving at Mars, aerobraking maneuvers will commence to enter
orbit with the assistance of Reaction Control System (RCS) thrusters.
From orbit, the landing site will be evaluated to determine if it
is safe to land. Dust storms can obscure the landing site and prevent
a safe landing. Ground control will determine if conditions are
safe and send the command to start the entry and landing sequence.
checks will be performed after landing to evaluate the integrity
of all the subsystems. Upon ground control approval of safe landing,
the command will be sent to deploy the first of six growing bays
for testing purposes. When the bay is deployed successfully, the
command will be given to start the test growing cycle. If the test
cycle is successful, and the rest of the landing site has been certified
safe, the rest of the growing bays will be deployed. This cycle
will be timed so that the crew can harvest the crop after arrival.
Control of the module operations will be transferred from ground
control to local astronaut control with assistance from Earth after
the crew arrives. Autonomous monitoring and control of environment
conditions, pH, and nutrient content will also be used.
[ D O C U M E N T S ] ----
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