Ouring World War II American submarines made aPlpr()ximaleJly

all areas of operation. At the completion of each patrol commanding a patrol report to the Chief of Naval Operations. To these, reviewing authorities attached appro-summarizations and comments. In the early days of the War t.1.ese reports were were quj.ckly standardized, to include not only the dailX but or on suc.1). subjects as "weather conditions", 'enemy anti-submarine activity", casual-ties " «ration". "health of the crew", etc. Accumulation of these hundreds of successive re:t:lOr1;s has resulted in a of copies of which in several Naval activities. their be tremendous. records of human interest and excitement are sometimes not to be surpassed. They frequently contain passages of brilliant pungent such as 1s produced by men under stress. The aim of this work has been to discover assemble from these patrol reports all information which to the human in combat problems. The range of subjects, as perusal €I of and will reveal, is wide and varied. What application may be of this War a large number of men made submarine war patrols, often of 50 to duration, during which time they lived under conditions peculiar to about their physical and mental response to this kind warfare is of for the record alone, and was anl:lar'entlv almost totally when War started. their experiences can not ignored in the which must t..i.e eventuality of future wars. The interested in contents of submarine war 01 'f"Plr.m-l';::[ in his Naval career. especially those t.'lat applied to the habit of health of the crews. While on duty at U.S. Bureau of Medicine and Sn'I'/1E~r'I