0033 GQ — secured 0125. Just about noon just outside my stateroom there was a loud commotion like kids arguing. On looking out I found a naval officer hollering and cursing up a storm. Chaplain Crowell stepped out to tell him to quiet down but the officer became more valiant and struck the Chaplain a hard blow to the chin. At this instant Carpenter Moore and I jumped out and overpowered the officer. He was taken to the Sick Bay and placed in the “Nut” ward — completely CooCoo. He was one of our best Japanese interpreters and has been in the Pacific area over two years. — Otherwise a quiet day.