Col. - Come with me Jed. You can quit now.
Jed - Could you?
Col. - Ahh don't give me that crap. Wake up in the morning. Grow old.
He was implying that the group leave with him. He wouldn't suggest that Jed abandon his brother and brothers-in-arms. They could get to "Free America" and enjoy their lives, since they had already done more than most other Americans. As for Tanner, he'd probably get right back in the pilot's seat and shoot down some more Russians.