Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
For two principal reasons: cost and constraint. It can cost $30M to have a dedicated dewar built; the Lockheed dewar exists and meets our requirements, at a much lower cost. It also provides a constraint on the size of the satellite, which otherwise would quickly outgrow the booster, as experience has shown.
