I'm unemployed <a href=" http://www.leadsbroker.co.uk/nexium-10.pdf ">when will a generic for nexium be available</a> The station itself will consist of three capsules. One capsule contains a core module while the other two contain laboratories. The space station will also be equipped with a cargo craft to ferry supplies to and from the station. The core module alone is expected to weigh at least 20 metric tons.