http://www.w3.org/ns/prov#value | - It was rejected due to total cycle cost, because they thought the tile system would last longer than single-missions.As it turns out, they are replacing almost all of the tiles after every mission anyway, so a titanium-skinned vehicle would have ended up safer and cheaper than the tile system is now.In engineering, everything is a compromise, and a perfect design can exist only given a choice as
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