His compatriots forgot him in space. A long dreamless cryogenic night was fortunately with him to make him wait some 300 years...
An autonomous system with artificial intelligence ends up to establish his return on his native Earth, after a destructive fungal pandemic degrading the humankind in scraps. Thanks Rosanto!
It's a earthling, he's at home and he will survive! Or not... Armed with his protocolar pouch brief of the UASA (pronounce "WAZA") and his 80's scout formation, he will adapt or fade away in the dust of his Mother-Earth...