Faatumu le fuaiupu lenei: I le faaiʻuga o le 1944, na faia ai e le 2nd, 5th, 8th, ma le 16th Antiaircraft Artillery (sa avea muamua ma Defense) Battalions le 1st Provisional Antiaircraft Artillery Group e sauniuni ai e osofaʻia le Iapani Home Islands. E ui e leʻi auai i latou i le Taua i Iwo Jima, ae na latou taunuu i Okinawa iā Aperila 1945. E leʻi umi lava,
na faatoʻilaloina le toʻatele o vaega o le puipuiga a o faaitiitia le aofaʻi o fitafita a le vaega o fitafita o le ʻautau.