Tolle Scott C.
Tom Donald
Trawick Thomas W.
Treece John B.
Trizna Dennis B.
Tsai Ming-fa
Tsang Valiant F.
Tsao Yon-Ji
Tsou Hsi-Shen E.
Tsui James B.Y.
Tubb Leonard J.
Tucker Stephen P.
Turpin Terry M.
Uchimura Tsuyoshi
Udall Stephen J
Uhlmann Jeffrey K.
Ujita Shinji
Ukrainec Andrew
Urbanski Daniel J.
USA Space and Missile Defense Command