Is there any real US experience left with creating manned capsules for space? I would guess there are no Apollo engineers available, and Shuttle engineers for t

Is there any real US experience left with creating manned capsules for space? I would guess there are no Apollo engineers available, and Shuttle engineers for the same had a very different configuration. For general space experience, also the ability to maintain controlled processes for existing space vehicles is not a fully overlapping skill set with developing new space vehicles. In a way, every company is starting from new using historical data.