Now before you say their ships I'm talking more about the two on the speeders. Did they drop in somewhere else and drive all the way in or did they just drive their speeders off the back end of their craft and plop into the middle of the event?
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If you look closely they were waiting off to the side on their speeders to come in on que they wouldn't want any more issues. It's the same reason their guns had unlimited ammo and the like.