“There are potentially serious concerns about the long-term safety of the @Space_Station. Some parts of it are simply getting too old and obviously that risk grows over time. Even though @SpaceX earns billions of dollars from transporting astronauts & cargo to the ISS, I [@CJHandmer] The ISS's structural integrity is far more marginal than is being publicly discussed. We are having multiple, and increasingly frequent, leaks from heavily fatigued node segments in the Russian section. When Aluminum gets flexed it fatigues and gets harder, increasing its”