Hicks- June 18, 1978
Tuomi- November 20, 1987
Doxtator- January 16, 1988
Guerrero- March 24, 1988
Sears- March 25, 1989
Raymond Smith- May 20, 1990
Edward Smith- June 1990
Miller- September 2, 1990
Thomas- September 24, 1990
Straughter- February 18, 1991
Lindsey- April 7, 1991
Hughes- May 24, 1991
Sinthasomphone- May 27, 1991
Turner- June 30, 1991
Weinberger- July 5, 1991
Lacy- July 8, 1991
Bredehoft- July 12, 1991 (18 jun 1978 año – 12 jul 1991 año)