Sam and Dean Winchester
He's not talking about the bunker he's talking about Dean. There's no way Sam changed his mind that easily. It's not even a conscious decision at this point. It's ingrained in him that he'll never have a home that is a physical location. He'll have Dean and that's his home.
D- Army print because Dean was his Dad's little soldier, Dean was also a soldier of Heaven as the righteous man E- Burnt and charred for his time in hell, paper because of the crossroads contrat, and the bloody handprint for being raised from perdition A- Anti-Demon possession star for the fight against demons (colors based on his eye color) N- Battered scratched and corroded and bloody, for the battles he's faced and the toll it's taken on his soul. Despite the damage, it's still standing