![The crew mobility chassis prototype being tested at Moses Lake, Wash., as part of a series of tests of lunar surface concepts](https://appel.nasa.gov/wp-content/uploads/2011/05/244572main_Lake_Moses_6_9_08-670x380.jpg)
A mobility chassis prototype is demonstrated in 2008 as part of a series of tests of lunar surface concepts. This is one prototype of many that are field tested as part of NASA’s ongoing Desert Research and Technology Studies, or Desert RATS. The Desert RATS tests offer a NASA-led team of engineers, astronauts, and scientists […]