Skip to page content Mission Information


Vehicle NHV and Habitability Assessment (Habitability)
Principal Investigator
Research Area:
Space Human Factors Engineering
Species Studied
Scientific Name: Homo sapiens Species: Human

The purpose of this study is to assess habitability on the International Space Station (ISS) to better prepare for future long-duration space flights to destinations such as a Near Earth Asteroid (NEA) and Mars, which will require crewmembers to live and work in a confined spacecraft environment for over a year. Specific needs of the study include the collection of human factors and habitability data while on-orbit (near real-time) and an analysis of vehicle layout and space utilization. The ultimate goal is to understand how much habitable volume is required for vehicle internal design and layout, and if mission duration impacts the volume needed. This research primarily addresses the tools that can be used to evaluate habitability concepts, and also contributes to risks related to team dynamics, sleep and behavioral health. Even though only two crewmembers will spend a year in space, with one U.S. astronaut, the knowledge gained through this project will provide valuable insight into a day-in-the-life of an astronaut as well as providing initial steps to characterize and quantify how they work and live in a microgravity environment during a year-long mission.

Specific Aim 1: Characterize the current state of the ISS habitability using tools to capture data near real-time, with particular emphasis placed on areas of interest defined based on knowledge gaps, known trouble areas, and volume-driving tasks. The specific focus areas include: Private personal areas such as crew quarters, Group activities (i.e., meals, recreation), Suit donning and doffing, Crew health and medical procedures, and Stowage.

Specific Aim 2: Document and characterize details about how crewmembers currently utilize the space on ISS, with particular emphasis placed on areas of interest mentioned above.

++ -- View more

Task performance and analysis

Data Information
Data Availability
Archiving in progress. Data is not yet available for this experiment.

Behavior health
Habitability volume
Space utilization
++ -- View more

Mission/Study Information
Mission Launch/Start Date Landing/End Date Duration
Expedition 43 03/11/2015 06/10/2015 91 days
Expedition 44 06/10/2015 09/11/2015 93 days
Expedition 45 09/11/2015 12/11/2015 91 days
Expedition 46 12/11/2015 03/02/2016 82 days
Expedition 47 03/02/2016 06/18/2016 108 days
Expedition 48 06/18/2016 09/06/2016 80 days
Expedition 49 09/06/2016 10/30/2016 54 days
Expedition 50 10/28/2016 04/09/2017 164 days
Expedition 51 04/09/2017 06/02/2017 55 days
Expedition 52 06/02/2017 09/02/2017 92 days

Human Research Program (HRP) Human Research Roadmap (HRR) Information
Crew health and performance is critical to successful human exploration beyond low Earth orbit. The Human Research Program (HRP) investigates and mitigates the highest risks to human health and performance, providing essential countermeasures and technologies for human space exploration. Risks include physiological and performance effects from hazards such as radiation, altered gravity, and hostile environments, as well as unique challenges in medical support, human factors, and behavioral health support. The HRP utilizes an Integrated Research Plan (IRP) to identify the approach and research activities planned to address these risks, which are assigned to specific Elements within the program. The Human Research Roadmap is the web-based tool for communicating the IRP content.

The Human Research Roadmap is located at:

+ Click here for information of how this experiment is contributing to the HRP's path for risk reduction.

Additional Information
Managing NASA Center
Johnson Space Center (JSC)
Responsible NASA Representative
Johnson Space Center LSDA Office
Project Manager: Pamela A. Bieri
Institutional Support
National Aeronautics and Space Administration (NASA)
Alternate Experiment Name
Proposal Date
Proposal Source
Directed Research