Medical Unit, Self-contained, Transportable
Medical Unit, Self-contained, Transportable (MUST) was a type of medical equipment system developed for field hospitals in the United States Army in the late 1950s and early 1960s. The system used inflatable shelters for ward and patient care space, and expandable shelters, manufactured by Brunswick Corporation, for operating rooms and other sections. They were powered by auxiliary power units which used JP-4 as fuel, producing power and air conditioning for the hospital in addition to air to keep the shelters inflated. A 60 bed surgical hospital in Vietnam could use up to 3,000 gallons of JP-4 per day to keep the hospital inflated and operational.[1]
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According to Major General Spurgeon Neel, a commander of the 44th Medical Brigade in South Vietnam:
MUST-equipped surgical hospitals were operated for several years in Vietnam with mixed success. These units consisted of three basic elements, each of which could be airlifted and dispatched by truck or helicopter. The expandable surgical element was a self-contained, rigid-panel shelter with accordion sides. The air-inflatable ward element was a double-walled fabric shelter providing a free-space area for ward facilities. The utility element or power package contained a multifuel gas turbine engine which supplied electric power for air-conditioning, refrigeration, air heating and circulation, water heating and pumping, air pressure for the inflatable elements, and compressed air or suction. In addition, other expandables were used for central materiel supply, laboratory, X-ray, pharmacy, dental, and kitchen facilities.
