[ad_1] In recent years, a number of private aerospace firms have designed and tested crew capsules of their own including Blue Origin’s New Shepard, Virgin Galactic’s SpaceshipTwo, Boeing’s CST-100 Starliner, and SpaceX’s Crew Dragon. While the New Shepard and SpaceShipTwo are built for suborbital flights, NASA awarded Boeing and SpaceX multi-billion dollar contracts in 2014, […]