Description and History: 1526-1972 45 . the development of The general plan proposed was, as stated earlier, scientific, and tory, labora for base the as n (also called Parry) | Medre trative operations, and for the quarters of construction personnel, 1 military being housed on Enewetak Island. An important part of with ne was that all possible support functions, including engineering i the P , refabrication, procurement, and accounting, would be performed "United States. The purpose in doing this was to increase dese vilY, M oducti reduce the cost of maintaining personnel living away from eit homes, and speed up the procurement of necessary equipment and materials. Construction camps were to be developed on the test or built on the test islands and on islands appropriate for measurement and observation. 78 A section of Enewetak Island as it appeared in full operation 's shown in Figure I-42. This was the military headquarters and residence ‘eee neighboring islands, and the scientific and technical facilities were to be island. Medren, at a similar phase, appears in Figure |-43. This island 5, in Figures 1-44 and 1-4 OPERATION GREENHOUSE: APRIL-MAY 1951 | imeis alt aed at served as the headquarters and residence for civilian scientists and contractors. Construction campson Lidilbut (Gene) and Enjebiareshown been made to develop the hydrogen or thermonuclear bomb, andthat the AEC had been directed to continue to work on all forms of nuclear weapons, including the H-bomb.In June of the same year, the Korean conflict began. Both events, though unrelated, created the need for more and faster-paced tests. Enewetak was the obviousplace for testing the H- bomb, once developed, but Enewetak could not be expected to accommodateall of the test operations that now loomedin the immediate future. In order to ease this situation, the AEC decided to establish a proving groundin the continental United States which could be used for tests of weapons of nominal yield. The site selected was part of the Las Vegas Bombing and Gunnery Range in southeastern Nevada. This became el elas el, «eet On 3l January 1950, President Truman announcedthatthe decision had the Nevada Proving Ground, later the Nevada TestSite. In 1951, at the time that the next series of tests in the Pacific was to be conducted, the H-bomb wasstill under development. However, some devices. related to thermonuclear bombs were tested in Operation Greenhouse. This operation consisted of four tests (Dog, Easy, George, and Item) conducted during April and May 1951. The only yield published was that of Easy —47 KT.All were towershots. 79 One of the important ‘nuclear weapons effects” tests carried out during this series measured theeffect of blast on military and industrialfacilities. Es