CHAPTER Ill, SECTION 4 sponsibility if they later developed polio. Not one case of polio developed among TG 7.1 or TG 7.5 personnel during Operation HARDTACK. The Medical Department provided medical and dental services support for personnel of all Task Force Groups stationed ashore and for U.S. Navy and Merchant Marine persons who did not have medical facilities in port. In addition, complete diagnostic and therapeutic medical care on a general practice level was offered at all sites. First-Aid Men staffed the off-island litter case emergencies. Emergency first-aid equipment was available at each off-island site. From 1 July 1956 to the end of Operation HARDTACK there were three deaths: two H&N personnel and one UCRL Scientist. One death occurred on 28 November 1957, while a HEN patient was enroute to Queen’s Hospital, Honolulu, on a MATS medical air evacuation flight. An autopsy revealed that death was caused by a massive hemorrhage from theright Aid Stations and the Hospital-Dispensary facili- middle cerebral artery. Another H&N man died on 3 January 1958, during an examination in the Elmer Dispensary. This patient had reported to the dispensary complaining of a pain in illnesses, and injuries which required a Doctor’s of death was undetermined, but it was believed to be due to massive myocardial infarction. An ties at all times to treat minor injuries and illnesses and to render first aid or nursing care. They were trained to recognize emergencies, attention and accordingly refer patients to the regularly scheduled sick calls. Fully equipped emergency ambulances were maintained at Elmer, Nan, and Johnston Island Hospitals for the chest, when he suddenly expired. The cause eminent UCRL scientist was drowned in the Eniwetok Atoll lagoon on 7 April 1958, as a re- sult of a helicopter accident. (Neg. No. W-736-10) Figure No. 3-6. Air Evacuation of Patient. Page 363