Elon Musk: We hope to achieve full rocket reusability this year, a profound invention that will drop the cost of access to space by a factor of 100.“The key breakthrough that SpaceX is hoping to achieve this year is full reusability. No one has ever achieved full reusability of a rocket, which is very important for the cost of access to space. We've achieved partial reusability with Falcon 9 by landing the boost stage. We've now landed the boost stage over 500 times, but we have to throw away th