https://www.cnbc.com/2018/04/18/blue-origin-ceo-bob-smith-be-4-will-be-able-to-launch-100-missions.html

Blue Origin is headed quickly toward commercial operations as the rocket company founded by Jeff Bezos nears the end of testing for several of its major projects.

The company's BE-4 engine, the thunderous staple of Blue Origin's propulsion business, has demonstrated that it "works, and works well," CEO Bob Smith told CNBC's Morgan Brennan at the 34th Space Symposium at Colorado Springs, Colorado.