- Arthur W. Hall, Carlon Sanford Land, Charles M. McCulloch, D. E. Siskind, David J. MacDonald, Donald N. H. Chi, Edward D. Thimons, Francis R. McDonald, George E. Fasching, Harry V. Makar, James E. Murphy, James R. McVey, John C. Edwards, John E. Kelley, Lawrence E. Schultze, R. V. Subramanian, Russell E. Griffin, Vernon R. Miller, Donald J. Bauer, Francis M. Carlson, Frank P. Haver, Fred N. Kissell, Gary R. Friggens, George H. Patton, Henry E. Perlee, Raymond E. Brown, Richard J. Bielicki, Robert Blickensderfer, Robert F. Chaiken, Robert R. Fumanti, Robert W. Nash, A. E. Schwaneke, Morton Min Wong, Richard Edward Lindstrom
· 1973
- Alan J. Leighton, Brent W. Madsen, Charles M. McCulloch, Edward G. King, Hyman Schultz, J. M. Stuve, John M. Gomes, Kuppusamy Thirumalai, Philip Cocran Tully, R. D. Saltsman, Richard J. Bielicki, Robert M. Ray, Webster S. Anderson, Zachary J. Fink, Dale W. Richardson, David T. Adler, Edward D. Thimons, Grant Lamont Anderson, Herbert B. Carroll, Joseph Grumer, Kenji Uchida, Michael John Ferrante, P. M. Sullivan, Ralph V. Higgins, Rees D. Groves, Sam G. Demou, F. E Walker, Fred N. Kissell, Frederick E. Armstrong, L. B. Pankratz, Morton Min Wong, Richard L. Fischer
· 1975
- Donald J. Bauer, Foster Fraas, Fred N. Kissell, H. E. Powell, J. Jackson, Karl R. Becker, Ralph V. Higgins, Richard J. Kline, Richard J. Bielicki, Stanley Charles Suboleski, Alan J. Leighton, C. M. Mason, Charles W. Huggins, Lawrence LeRoy Smith, Andrew A. Cochran, Richard William Watson, Sarkis G. Ampian
· 1972