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NASA Johnson Space CenterNASA Johnson Space Center
““Houston: We Are Go For Houston: We Are Go For Exploration!”Exploration!”
National Aeronautics and Space Administration
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NWhy do we need a space suit?Why do we need a space suit?
Temperature extremes Oxygen Pressure
micrometeoroidmicrometeoroid and orbital debrisand orbital debris protection protection
protection from dust and rocks
National Aeronautics and Space Administration
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NScientific Method
THINK!! Try
Again!
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NPast Space SuitsPast Space Suits
Mercury Program
Apollo Program
Gemini Program
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NMercury Space SuitsMercury Space Suits
Purpose: Protect Purpose: Protect astronaut from astronaut from space vacuumspace vacuum
Derived from Navy Derived from Navy Mark-IV high altitude Mark-IV high altitude aircraft pressure suitaircraft pressure suit
Designed for Designed for unpressurized unpressurized comfortcomfort
Vehicle provided life Vehicle provided life support via umbilicalsupport via umbilical
Operating Pressure: 3.7 psi
(25.5 kPa)
Mercury Crew Capsule
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NGemini Space SuitGemini Space Suit
Purpose: First US Purpose: First US space suit used both space suit used both inside and outside inside and outside the vehiclethe vehicle
Derived from USAF Derived from USAF AP/22 high altitude AP/22 high altitude aircraft pressure suit aircraft pressure suit
Designed for Designed for unpressurized unpressurized comfortcomfort
Incorporated cooling Incorporated cooling systemsystem
Vehicle provided life Vehicle provided life support via umbilicalsupport via umbilical
Operating Pressure: 3.7 psia (25.5 kPa)
Gemini Crew Capsule
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NApollo Space SuitsApollo Space Suits
Operating Pressure: 3.7 psia (25.5 kPa)
Apollo Command
Module with Lunar Lander
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NPresent Space SuitsPresent Space Suits
Advanced Crew Escape Suit (ACES)
Extravehicular Mobility Unit (EMU)
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NAdvanced Crew Escape SuitAdvanced Crew Escape Suit
Purpose: Keep Purpose: Keep astronaut alive in astronaut alive in event of an event of an emergency during emergency during launch and re-entrylaunch and re-entry
Derived from USAF Derived from USAF pressure suitspressure suits
Protects from loss of Protects from loss of cabin pressurecabin pressure
Integrated life Integrated life preserver and raft, preserver and raft, parachute and parachute and harness, emergency harness, emergency oxygen, and survival oxygen, and survival geargear
Operating Pressure: 3.46 psi (23.9 kPa)
Space Shuttle
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NExtravehicular Mobility Unit (EMU)Extravehicular Mobility Unit (EMU)
Operating Pressure: 4.3 psi
(29.6 kPa)
International Space Station
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Communications Carrier Assembly (CCA)
Independent microphones and earphones
Internal Components of the EMUInternal Components of the EMU
Suit Engineer (2006)
It’s like your air conditioner, but uses water instead!
Liquid Cooling and Ventilation Garment (LCVG)
Neil Armstrong (1969)
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NModular Components of the EMUModular Components of the EMU
Helmet and Extravehicular Visor Assembly
(EVVA)
Hard Upper Torso (HUT) and Arm Assembly
Lower Torso Assembly (LTA)
Gloves Boot and Foot Restraint
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NEMU Controls and Life SupportEMU Controls and Life Support
Display and Controls Module: temperature, pressure,
ventilation and communication controls
Portable Life Support System
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NApollo 16: Apollo 16: Charles Moss Duke, Jr. (Duke) Charles Moss Duke, Jr. (Duke)
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N What about a suit for future exploration?What about a suit for future exploration?
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NMark III SuitMark III Suit
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NRear Entry I-Suit (REI-Suit)Rear Entry I-Suit (REI-Suit)
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NSuit Development Using the Scientific Suit Development Using the Scientific MethodMethod
System Testing
Component Testing
Concept Developme
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Cool POGO Movie
Develop innovative concepts to meet challenging requirements
Test parts and refine designs per test results
Test system and refine per test results
Integrated Testing
Integrate hardware to test how it works together
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N Connect with us on facebook!Connect with us on facebook!NASA Crew and Thermal Systems NASA Crew and Thermal Systems
DivisionDivision
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NQuestions?Questions?
