> both the Orion crew capsule and Space Launch System rocket, which were built by industry partners including Lockheed Martin and Boeing, respectively, have been billions of dollars over budget and years behind schedule — a fact that has prompted some scathing reports from NASA’s Inspector General. > The 2028 Mars mission, which Isaacman called Space Reactor‑1 Freedom — or SR-1 Freedom — would put nuclear electric propulsion technology to use in space for the first time. Isaacman has been a v...