Available to US bidders only. Two small portions of black thermal protection tiles, both removed from the #2 engine dome of the shuttle Challenger. Accompanied by photocopies of two tile removal sheets and Kennedy Space Center discrepancy reports, detailing the removal of the tiles and marking them for “scrap.” Also included is an orange non-conforming material tag, labeled on the reverse in a technician’s hand. In fine condition. RR Auction COA.