How did Iku get to California? Last I remember, she was still on the ship with Mima's crew.
Sometimes when you're driving down a road, a bug hits your windshield. It's ugly and unpleasant, but you just activate the wipers / cleaning fluid and it's gone in a few seconds. It's just part of driving down the road. You don't dwell on it, because that'd be silly. Bugs aren't worth the time.
Well, actually, maybe I can have Huey be a test subject for combat. What better way than with a gigantic robot run by AI? Plus, Huey needs to test his Pupa. Might as well.