THE EFFECTS OF ATOMIC ATTACKS ON THE OPERATIONAL CAPABILITY OF AAA MISSILE BATTALIONS (NIKE) (U). Luther M. Hardin, David W. Einsel, Jr., and Harold E. Shaw, 29 April 1957. SECRET-RESTRICTED DATA, Technical Report Individual batteries of AAA Missile Battalions must remain operational during and after successful enemy attacks on targets within their area of responsibility if their assigned mission is to be accomplished. Nike batteries, as presently disposed, are extremely vulnerable to the effects of nuclear attacks upon primary targets. The hazards associated with radioactive fallout are potentially the most serious. Megaton-yield surface bursts upon the primary targets, which the batteries surround, oe See - - CWLR - 2122 Dla yee ee me or eres ae ( can produce contamination intensities of such magnitude that personnel who remain inside present operational facilities would receive lethal doses of radiation within l hr after fallout arrival. An operational capability The basic defensive measure required against the residual radiation hazard provides, intrinsically, the best protection possible against the other nuclear effects to which the batteries may be subjected. © An operational capability can be maintained during and after enemy attacks on probable primary targets by (1) "digging in" all vital elements of the batteries except the radar antennas and the launching platforms to provide at least 3 ft of earth cover, (2) covering all exposed heat- sensitive material, and (3) providing on site, replacement radar antennas. CWLR - 217% - DESCRIPTION OF AERIAL RADIOLOGICAL SURVEY METHODS (U). John P. Johnson and Manfred Morgenthau, October 1957. UNCLASSIFIED, Technical Report (U) This report describes three aerial survey methods used in connection with nuclear weapons tests. in the helicopter-to-ground method, the survey is made by lowering a suspendible detector probe from a hovering helicopter to obtain direct ground readings. This is the only method which provides the same degree of accuracy as ground survey. It is especially useful for accurate short-range survey work. In a variation of this method, a moving low-speed aircraft (rotary or fixed wing) traverses the area with the instrument probe just high enough off the ground to avoid obstacles. This method should give results similar to those obtained by taking readings continuously in a rapidly moving vehicle, in which the detector head extends on a horizontal probe of sufficient length to eliminate shielding or back-scattering effects from the vehicle. Det een ot ne eee = can not be maintained in such a situation without effective preattack planning and preparation.