Fixed Price Procurement Enabled SpaceX

The real breakthrough was not just a cheaper rocket, it was a different contract that made efficiency the path to profit. Under cost reimbursement models, NASA covered allowable costs and paid a fee on top, so extra engineering hours, custom parts, and long schedules did not hurt the contractor the way they would under a fixed price deal. That favored large incumbents like Boeing and Lockheed, which were built around bespoke aerospace programs rather than repeatable manufacturing.

• Government watchdogs have long treated cost plus percentage style contracting as dangerous because profit can rise with cost. NASA and DOD still used cost based structures like cost-plus-award-fee and cost-plus-incentive-fee on major programs, which reduced the pressure to simplify designs or cut supplier markup.
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• NASA later shifted commercial cargo and crew into firm fixed price milestones. NASA says fixed price development had not previously been used for human spaceflight systems before Commercial Cargo, and its Commercial Crew certification contracts in 2014 were firm fixed price. That is the lane SpaceX used to get in.
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• This same pattern shows up across defense tech. Product companies like Anduril and Shield AI front load R&D, then sell a finished system at a set price, aiming for far higher margins than the 5% to 10% economics common in traditional cost plus contracting. SpaceX applied that playbook to launch first.
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The long run effect is that launch becomes a manufacturing business instead of a managed cost center. As more space and defense buyers move toward milestone based and fixed price procurement, companies that own design, production, and operations in house will keep taking share from incumbents organized around slow, labor heavy cost recovery.