"Hang on," Uhura says, frowning a little. "You're from 2017?"

"Not our 2017," Jim assures her. "History's different enough that there's no real risk of... doing a Nero." It's a ridiculous turn of phrase, but his crew understand what he means without elaboration. "I haven't heard a peep from DTI, so I'm pretty sure we're in the clear, as long as we don't cheat."