Who knows anymore what they have and don't have. Hasn't that been the problem all along? You can never tell what is really the issue or where they are really at?
Maybe not very clear since WDRP made this comment on facebook after the PR. You are missing the point Jesus. The air cooled magnetrons are the third option if the first two do not work properly enough to deduct efficiency results. We are simply providing contingency plans to optimize testing once and for all. There are no assumptions being made at this time.