As others have said, I would add a small courier/generalist. Like an Avenger Titan, a 300 series or a Pices. There are times when you will want something small, cost efficeint and fast. (Which is why I lean towards the 300 series for this role.) You have space to carry one.
There are, and will be times where you need to run an errand, drop off a couple SCU, grab a spare part or even pick up some armor, from a place like Orison, where taking down something big just doesn't make sense.
You could refer a friend, to pick up a free LTI token, and then a cheap CCU, to get one.