411531 "Sandia Corporation Monthly Reports" 1958-1963 LASL Report Library 1957 AC From the first report in this series, December, 4696, the Sandia status of their activity on each specific nuclear device is detailed, including both those in | development and those in production. There are also sections addressed to carrier systems, test operations such as Hara Tack, other types of tests run by Sandia at Eglin, Salton Sea, White Sands, and other locations; and various other special projects and studies including in this month workon new balloons. As of this time Sandia is active in a program to develop an aerodynamic balloon capability with the first flight tests scheduled at the NTS in May and June of 1958. April, 1958: Under the Hard Tack operation is noted the Pinon shot which is to be the UN observer test scheduled as the last event in Hard Tack. It will be fired on a emer et ge ee:ee barge at ea | _ —_. Also noted in this month is the Sandia participation in the Harbor operation in Alaska for Plowshare. "Sandia will assist in topographic studies of the coast around Cape Thompson to choose the most feasible Locations. Field surveys will be made this summer and the exact location decided upon late in the summer. 1959. Actual work is expected to begin in AEC has approved the FY '59 preliminary work." neposirory _Do& Aestory De £1227 contection —/237, Conrad -Oal BOX No. 2 May, 1958: A, FOLDER Under specific device activities, first mention of Sandia's participation in the Nike Zeus warhead which is still in Phase II but on which Sandia will begin work when Phase III is authorized. This is expected to happen very soon. Under the heading of Plowshare, Sandia is analyzing and investigating tne possibilities of using nuclear explosives for underground oil storage tanks. Based on Rainier data, the volume of a cavity from a nuclear detonation is estimated to be 410,000 times ¢