- A. E. Schwaneke, A. Gene Collins, Arne Landsberg, Donald R. Corson, Edward A. Mihok, Edward G. King, H. E. Powell, John E. Zeilinger, M. M. Fine, Marvin L. Whisman, Richard F. Hewlett, Robert G. Lundquist, Robert S. Warfield, S. E. Khalafalla, Thomas Robert Bur, William S. Sanner, Arnold B. Landstrom, Bruce W. Naugle, Carl F. Anderson, Charles C. Boley, D. W. Richardson, Frank E. Block, J. W. Goetzinger, Kenneth E. Hjelmstad, Lawrence LeRoy Smith, Richard E. Thill, Sequoyah L. Payne, Wilbert L. Falke, Andrew A. Cochran, C. C. Ward, David E. Wolfson, George W. Reimers, Robert B. Schluter, Robert V. Mrazek, Vernon R. Miller
· 1969
- A. Gene Collins, Donald R. Corson, Edward G. King, Jack L. Henry, John E. Zeilinger, Marvin L. Whisman, Robert G. Lundquist, Robert S. Warfield, William S. Sanner, Bruce W. Naugle, Carl F. Anderson, Charles C. Boley, D. W. Richardson, J. W. Goetzinger, James H. Russell, C. C. Ward, David E. Wolfson, Hal J. Kelly, Robert V. Mrazek
· 1969
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No image available