72. Proof Testing of Atomic Weapons Ship Countermeasures, Operatfion CASTLE (U) G.G. Molumphy, M.M. Bigger Naval Radiological Defense Laboratory October 1957 (A20) AD 362 110* 73. WI-927 Decontamination and Protection, Operation CASTLE, Project 6. J.C. Maloney, E.H. Dhein, M. Morgenthau Army Chemical Center September 1955 (A04) AD 465 306* WT-928 74. Effects of Nuclear Detonations on the Ionosphere, Operation FASTLE, Project 6.6 (U) F.B. Daniels, A.K. Harris Army Signal and Research Engineering Laboratories May 1956 WT-929 (AQ4) AD 361 772* 75. Electromagnetic Radiation Calibration, Operation CASTLE, Pacific Proving Grounds, March-May1954, Project 7.1 (U) M.H. Oleson Air Force Office of Atomic Energy June 1958*** 76. Detection of Airborne Low-Frequency Sound from Nuclear Explo ions, Operation CASTLE, Project 7.2 (U) “ G.B. Olmsted Atomic Energy Commission May 1955 (A04) AD A995 117* 77. WT-931 EX Nuclear Calibration Analysis of Atomic Device Debris (U) C.K. Reed, W. Singlevich Air Force Headquarters July 1959 (AQ03) AD A995 084* 78. WT-932 EX Cloud Photography, Operation CASTLE, Project 9.1 EG&G January 1958 WI~-933 (A03) AD 357 960* *Available from NTIS; order number appears before the asterisk. **Available at DOE CIC. ***Not available. 424