On the one hand, it is unlikely that three hundred years in the future, a group of space marauders is going to rely on the same profanity as twenty-first-century North Americans. But on the other hand, everything else sounds worse.
It's okay for the story to be poignant some of the time but it's not a sad story. He can't have dementia or anything, he's not deluded about being a young astronaut, okay. And it's not a commentary on the "decline of empire" after the space race, that's important.