I have walked nearly every foot of that Island on my visits there and it is hard to believe the devastation that took place there.
Betio where the battle was fought is a small island with a good harbour and less than two kilometres long and 800 metres at its widest.
Tarawa is the group of islands, not connected in those days.
One of your old images Kyt. Betio is the small island at the bottom left hand side.
betio.jpg