Available to US bidders only. Very rare Challenger-flown LRSI (High-temperature Reusable Surface Insulation) tile, 6 x 6.5, #V070-394044-137, Serial No. 008651. Accompanied by its Flown Hardware tag, filled in by a technician, “Orbiter No. 099, STS Number 17,” (referring to its 17th processing flow), dated October 26, 1984. These tiles would cover the upper wing near the leading edge. They are were used in selected areas of the forward, mid, and aft fuselage, vertical tail, and the OMS/RCS pods. These tiles protect areas where reentry temperatures are above 1,200° F. A similar tile recently sold in our auction for nearly $3,000. RR Auction COA.