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At the manned spacecraft center in Houston, Don Arabian was in Building 45 when battery number two in Aquarius’ descent stage exploded.
Supercritical Helium (SHe) Tank
LM power system with Battery 2 circled
Don Arabian in 2015
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There was now cause for optimism in Mission Control. At the TELMU station, where the Lunar Module’s environmental signs were being continually monitored, the readings of the carbon dioxide concentrations aboard Aquarius were steadily dropping all day long.
Jack Lousma – One of the Capcoms for Apollo 13
Vance Brand (standing right) another Capcom for Apollo 13
Taken by Apollo 13 on the way home
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Mariner 4’s primary objective was to conduct closeup scientific observations of Mars and to transmit these observations to Earth. Additional goals included performing field and particle measurements in interplanetary space, and providing experience and knowledge of engineering capabilities for interplanetary flights of long duration…
Mariner 4
Launch on Atlas-Agena
Mariner 4’s Photo Path
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In a healthy spacecraft, the CO2 meter should climb no higher than 2 or 3 millimeters of mercury. When it rose above 7, the crew was instructed to change their lithium hydroxide canisters. If it was allowed to rise above 15, the first signs of CO2 poisoning would set in.
Carbon Dioxide Threatens Astronauts
Lovell & Swigert work with temp hose connections. CO2 scrubber in background
The CO2 scrubber
