What regiment is best for you?

In your typical role based shooter, Which role do you take?

If you are a member of a legion such as 501st, And all of you are on the server, Your second, less preferred regiment is needed (91st) for the Recon and Heals, Though you would prefer to be 501st for the event, what do you do?

You are in an event, What role would you wrather be?

Do you think this will work?