Abstract Background The International Space Station (ISS) stands as a testament to human achievement in space exploration. Despite its highly controlled environment. characterised by microgravity. increased CO $$_{2}$$ 2 levels. https://www.bekindtopets.com/limited-stock-Original-U-S-Vietnam-War-Era-Operation-Igloo-White-Seismic-Sensor-Inert-Rocket-great-price/