“There’s a little bit of disappointment in knowing you miss those things as a father.”Lonely at the TopThe dismal failure of Boeing’s Starliner spacecraft left two NASA astronauts stranded aboard the International Space Station this year, meaning they won’t be able to return home until this coming February. At that point, their return will be more than half a year overdue.This is something that fellow NASA astronaut Frank Rubio can sympathize with. He too was once left marooned on the orbital outpost, when the Russian Soyuz spacecraft that brought him there…