He didn't need specifics, he was just looking for a general case for it.

"Wait - your.. Your spaceship? In 2019, we got spaceships." And they're just handin' 'em out to agencies? He's calling foul, that's more unfair then magic and powers. "When'd the government get hands on alien tech?"

Moreover, what else had they applied it to? Raylan might wear a federal badge and swagger himself around with that authority, but it was a Job and there was still a whole ass hillbilly underneath it. Sometimes that was half his problem.