Since 2000, the venerable International Space Station (ISS) has had a human crew. Ten years! Ten years, 200 inhabitants, 15 nations, 600 experiments and a faulty toilet or two. Impressive stuff, in other words. [CNET]
https://gizmodo.com/out-of-order-sign-graces-iss-toilet-as-13-cramped-spa-5318214