NASA's John C. Stennis Space Center NASA Administrator Charles Bolden (r) discusses the upcoming testing of Blue Origin’s BE-3 engine thrust chamber assembly with Steve Knowles, Blue Origin project manager, on the E-1 Test Stand TODAY at NASA’s Stennis Space Center. The BE-3 will be used on Blue Origin’s reusable launch vehicle as part of the agency’s Commercial Crew Development Program. Blue Origin is one of NASA’s partners developing innovative systems to reach low Earth orbit.