For now? I'd like to promote if one of you is capable. I want to minimize how much shifting around we do of the teams. It makes it hard for people to learn each other's skills and the best way for them to work as a team.
In your team's case it might be on a temporary basis. I have someone I'm considering for the position, but he only just recently returned. [And without his memories. Maybe not the same version she knew at all.]