>The US alone already spends $5 billion per year on ISS. ISS has crew of 6 located 400 km from the surface of the Earth. In the emergency they can leave the st

>The US alone already spends $5 billion per year on ISS. ISS has crew of 6 located 400 km from the surface of the Earth. In the emergency they can leave the station in minutes (in two Soyuz capsules). Time between the decision to leave and landing in Kazakhstan is 3.5 hours or less.