He was then attached to the I Marine Amphibious Corps Task Group (composed of I Marine Amphibious Corps staff) and participated in the Landing on Emirau in March–April 1944. The landing was unopposed and Van Orden joined the staff of 3rd Marine Division under Major General Allen H. Turnage. He was appointed Division Infantry Training Officer and participated in the Recapture of Guam in July–August 1944.