POOW Guidelines Assist the OOD and the junior officer of the watch (JOOW) and supervise and instruct sentries and messengers. Wear the prescribed uniform and ensure orderliness of watchstanding equipment during each morning watch. Carry out the daily routine and orders as the OOD may direct. Notify the OOD and the JOOW of any changes in the weather or changes in barometric pressure readings of 0.04 inch or more in any one hour. The quartermaster of the watch, when assigned, will assume this responsibility. In all classes of submarines, hourly observe and log draft readings. Ensure draft readings are reviewed periodically by the in-port duty officer. Make entries in the deck log for all events of interest as directed by the OOD. Erasures should not be made in the deck log. The quartermaster of the watch, when assigned, will assume this responsibility. Ensure the messenger makes the calls listed in the call book kept on the quarterdeck. The quartermaster of the watch, when assigned, will assume this responsibility. Return salutes and carry out the watch routine for the OOD or the JOOW when neither is at the gangway.