1. We are utilizing highly efficient electric propulsion that eliminates the need for refueling to make money, but when refueling in orbit does become available you bet we'll be at the front of the line at Space Chevron 2. YC has been an enormous help with getting us started. They drilled the single most important thing into our skulls for really any startup - talk to customers. Besides their amazing network, the group partners have really helped us focus on what is important in order to make our vision a reality. If you are considering, apply to YC!!