how in the nine hells

[Arkcon]

Emperor Fritsch the Dense said:
"they stop because there were no troops to move? I did try to produce smaller amounts of troops at a time so they would always have troops to move but i was side tracked and forgot to check....that sound like a good reason for them to park?

That's not the reason, no. Lemme 'splain how I'd do it, and what I'd expect to see.

You got the transport, and you give it some orders. If you're playing turn based, it executes those orders. Remember now, those orders get cleared when done, and won't be remembered for the repeat. Eventually, it consumes all movement points.

Now what happens next in turn-based is the same as simultaneous. You continue giving orders, and it will store the commands to execute them in sequence next turn, you can click on the eye icon on the button bar to see what that ship plans to do. At the end you hit the repeat orders, and when you do you'll see "repeat" in the orders list when you click the eye icon.

Boy, I'm long winded today. Sorry, but its hard to explain in words.

Somehow, you've told the ship to do the same thing twice, or you haven't given it the orders to repeat. You can use the eye icon to see any orders stored. See what's up.

[EDIT]

He's what happened to me before I began viewing the orders. I would give the transport orders to a point A, then point B, then Point C, then Point A again, then repeat. That ends up with two trips to A in a row, and clears the queue.

Planets empty of units won't stop the round trip. If the transport can't hold anymore, the orders queue is flushed, but you get a message saying the transport is full.