I've being saying a lot lately: I'm a noob here, and I've been caught out before asking for a feature that was already there (but somehow missed) so I hope I don't annoy anyone if this can already be done.
It seems to me, the only was of adding a new ship to an existing fleet is by deleting the old fleet, then making a new one. Is it possible we can just add a new ship to an pre-existing fleet? I think these kinds of short-cuts that speed things up, and also decrease pages downloaded, just help everyone