A Science Strategy for the Human Exploration of Mars (2026)

Chapter: Appendix H: Acronyms and Abbreviations

Previous Chapter: Appendix G: If Life Is Found
Suggested Citation: "Appendix H: Acronyms and Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2026. A Science Strategy for the Human Exploration of Mars. Washington, DC: The National Academies Press. doi: 10.17226/28594.

H

Acronyms and Abbreviations

ADD Architecture Definition Document
AI artificial intelligence
AS applied science
BID Blue Ice drill
BLiSS bioregenerative life support system
BPS biological and physical sciences
C&PNT communication, position, navigation, and timing
CHONPS carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur
CHS Crew Health and Safety
COSPAR Committee on Space Research
DNA deoxyribonucleic acid
ECLSS Environmental Control and Life Support System
EVA extravehicular activity
EZ exploration zone
GCMS gas chromatograph/mass spectrometer
GPR ground penetrating radar
HBS human and biological science
HEOMD Human Exploration and Operations Mission Directorate
HES human exploration system
HF human factors
Suggested Citation: "Appendix H: Acronyms and Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2026. A Science Strategy for the Human Exploration of Mars. Washington, DC: The National Academies Press. doi: 10.17226/28594.
HiRISE High Resolution Imaging Science Experiment
HOME Habitats Optimized for Missions of Exploration
HRP Human Research Program
HS heliophysics science
HSRB Human System Risk Board
ILME integrated longitudinal martian environment
IR infrared
ISRU in situ resource utilization
ISS International Space Station
IVA intravehicular activity
LEO low Earth orbit
LET linear energy transfer
LiDAR light detection and ranging
LISTER Lunar Instrumentation for Subsurface Thermal Exploration with Rapidity
LLM large language model
LPS lunar/planetary science
LS landing site
LTE long-term evolution
M2M Moon to Mars
MAVEN Mars Atmosphere and Volatile EvolutioN
MEP Mars Exploration Program
MEPAG Mars Exploration Program Analysis Group
ML machine learning
MLE Mars Life Explorer
MOXIE Mars Oxygen In-Situ Resource Utilization Experiment
mRNA messenger ribonucleic acid
MRO Mars Reconnaissance Orbiter
NASA National Aeronautics and Space Administration
NIR near infrared
OP operations goal
P pressure
PNT position, navigation, and timing
PPS physics and physical science
PSR permanently shadowed region
RAD Radiation Assessment Detector
RNA ribonucleic acid
SE science-enabling
SLS Space Launch System
SpaceX Space Exploration Technologies Corp.
STM science traceability matrix
STMD Space Technology Mission Directorate
Suggested Citation: "Appendix H: Acronyms and Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2026. A Science Strategy for the Human Exploration of Mars. Washington, DC: The National Academies Press. doi: 10.17226/28594.
T temperature
TBIRD TeraByte Infrared Delivery
TRIDENT The Regolith and Ice Drill for Exploring New Terrain
TRL technology readiness level
UHF ultrahigh frequency
VIPER Volatiles Investigating Polar Exploration Rover
Suggested Citation: "Appendix H: Acronyms and Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2026. A Science Strategy for the Human Exploration of Mars. Washington, DC: The National Academies Press. doi: 10.17226/28594.
Page 205
Suggested Citation: "Appendix H: Acronyms and Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2026. A Science Strategy for the Human Exploration of Mars. Washington, DC: The National Academies Press. doi: 10.17226/28594.
Page 206
Suggested Citation: "Appendix H: Acronyms and Abbreviations." National Academies of Sciences, Engineering, and Medicine. 2026. A Science Strategy for the Human Exploration of Mars. Washington, DC: The National Academies Press. doi: 10.17226/28594.
Page 207
Next Chapter: Appendix I: Committee and Staff Biographical Information
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