For safety reasons, there is always one crew member in the HAB to act as Hab-Com in case anything goes wrong on the extra-vehicular activity (EVA).
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Hand held radios mounted on the suits' helmets (with externally mounted push to talk switches) are used to communicate with Habitat communication base (Hab-com) and with fellow analogue Mars surface explorers on the same EVA.
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Destinations for EVAs can be chosen from an established waypoint database and traveled to either on foot or by ATV.
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Other experiments include a study of the effect of EVAs on the heart rates and blood pressures of crew members, a human factors study that examine the correlation between cognitive ability and mood and a study on how much a space suit inhibits dexterity in comparison to regular street clothes.
Mars | International Space Station | United States National Research Council | National Research Council | Mojave Desert | station | Commonwealth Scientific and Industrial Research Organisation | Veronica Mars | Riccarton Junction railway station | Fuji Station | The Mars Volta | London King's Cross railway station | research | Sonoran Desert | Agricultural Research Service | Bruno Mars | Shōnandai Station | Office of Naval Research | Independent station (North America) | St. Jude Children's Research Hospital | independent station | Central railway station, Sydney | Cancer Research UK | London Victoria station | Desert Island Discs | College Station, Texas | Union Station | Thirty Seconds to Mars | Medical Research Council (UK) | McMurdo Station |
The rover competes annually in the University Rover Challenge (URC) near Hanksville, Utah at the Mars Desert Research Station, and is currently being evaluated for research use.