cevan, that UI is not final, we'll keep working on it.
ralyx, we're using the iOS text field for text input, and as far as we know there's no way to add words to its autocomplete dictionary. BUT, you have the camera panel up top now that you can use to reference outpost names, and eventually, you'll be able to tap an outpost and it will put its name in the text field for you, never having to type another outpost name ever again