A perfectly practicable 1930s technology, but you can already see the downsides.
Under the original Artemis architecture, NASA planned on multiple versions of the SLS rocket, ranging from the "Block 1" vehicle currently in use to a more powerful EUS-equipped Block 1B and eventually an even bigger Block 2 model using advanced solid rocket boosters. The latter two versions required use of a taller mobile launch gantry, already well under construction at the Kennedy Space Center.
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A man was then told he had been randomly selected "to be manhandled" before being told to remove his clothes down to "everything but the shoes", while the female officer put on a pair of gloves.