They can just rely on technological progress. By the time the original craft arrives, we will have solved high speed interstellar travel and will have been the

They can just rely on technological progress. By the time the original craft arrives, we will have solved high speed interstellar travel and will have been there for a couple generations with plenty of time to build the optical catcher's mitt. Hopefully anti-depressants will have made similar gains, because there is going to be nothing so depressing as waking up from your 300 year interstellar nap to find out there's a housing crunch in your new star system.