According to the ARRL, three of those aboard were hams, although there was no ham gear on board this particular flight: "The STS-107 crew, headed by Commander Rick D. Husband, also included Pilot William C. McCool and Mission Specialists Kalpana Chawla, KD5ESI; David M. Brown, KC5ZTC; Laurel B. Clark, KC5ZSU, Michael P. Anderson, and Payload Specialist Ilan Ramon" Jeff, W9SAR www.w9sar.org