You don't really know; even in 1975 USSR and USA had a joint flight, and Cold War was in (almost) full swing at the time. Who knows, we're going to go to the Mo

You don't really know; even in 1975 USSR and USA had a joint flight, and Cold War was in (almost) full swing at the time. Who knows, we're going to go to the Moon soon - and USA and Russia are two countries who have the most manned lunar experience so far - we could still need each other's support.