Tags John Batchelor Dr. Haym Benaroya Dr. David Livingston returning to the Moon LOP-G Lunar Gateway SLS Orion lunar lander Gateway life Support docking with the Gateway Gateway HALO orbit Gateway to Mars missions Gateway costs Gateway complexities Guest John Batchelor Dr. David Livingston Dr. Haym Benaroya Tagline Returning to the Moon via the Gateway (LOP-G) View the discussion thread.