Space.com #Dream Chaser Space Plane to Fly United Nations Mission in 2021 28 September 2016 fborgosano Leave a comment Share: Sierra Nevada Corporation and the United Nations Office for Outer Space Affairs are teaming up to launch a two-week mission to low-Earth orbit in 2021 using the company’s Dream Chaser spacecraft. from Space.com ift.tt/2d3MqJb Share: