On November 20th, Operation:Galvanic was initiated.The 27th Infantry Division invaded Makin.They found a weak garrison defending the island, only 800 strong.The island fell into Allied hands in four days, with all resistance being crushed for a loss of 65 men.
The other part to Operation:Galvanic was the bombardment of Betio, a small island fortress off of Tarawa.After the 2nd Marines landed.When they went ashore, it looked to them like the defences had been destroyed, but they met heavy fire while they hit the beach.Nearly one-third of them were hit.Some 5000 Marines managed to wade ashore under all that, and pushed the Japanese into the interior.The garrison on Tarawa was 5000 strong and they were some of the best units the Empire had to offer.They fought fiercely, doing suicidal charges at the Marines.Although the Marines took heavy casualties, the Japanese got the worst of it.All of these charges were stopped and nearly every Japanese soldier invovled was cut down.By the next evening, the island was secured, but the Marines paid a heavy price for the ground they gained; 1009 dead and 2101 wounded.By November 26th, the Gilberts had fallen into Allied hands.