From: alain245@videotron.ca   
      
   On 2024-03-14 1:59 p.m., Niklas Holsti wrote:   
   > On 2024-03-14 18:52, Alain Fournier wrote:   
   >> On 2024-03-14 10:53 a.m., The Running Man wrote:   
   >>   
   >>> NASA won't be too happy with this since it will make a 2025 Lunar   
   >>> landing all but impossible. Even 2026 is dubious.   
   >>   
   >> I wouldn't say that. Reusing the stages isn't required to reach the   
   >> moon. That only allows SpaceX to make big profits. It seems to me   
   >> that the booster showed today that it can put the ship were it needs   
   >> to be to reach orbit. The ship did not reach orbit simply because it   
   >> wasn't trying to reach orbit. The ship didn't succeed in its reentry,   
   >> but there is no reentry involved in the moon mission.   
   >   
   >   
   > If the tanker ships, for refuelling the Lunar Starship in Earth orbit,   
   > can't reenter and be reused, it will be /quite/ expensive, right?   
   >   
   > There have been various statements about the number of tanker launches   
   > needed for one lunar mission, but there seems to be agreement that the   
   > number is about 10 or more.   
      
   Yes it would be quite expensive. But I think they will view that as   
   development cost until the do achieve intact return.   
      
      
   Alain Fournier   
      
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