In this NASA video segment learn how inflatable structures may be used as living quarters for astronauts when NASA returns to the moon and then travels to Mars. This segment shows one inflatable habitat made of Kevlar, a lightweight material that allows structures to be stretched and folded for easy storage on spacecraft. A NASA expert compares the inflatable structure to a basketball, modeling how this structure can be sturdy and protective. The inflatable structure can be deflated and inflated when necessary, allowing astronauts the flexibility to move around to different locations on the moon and Mars.