Large flown piece of multilayer Mylar insulation blanket carried aboard the Space Shuttle Challenger (OV-099) for six days during the STS-8 mission. The blanket, which was likely used as an experiment cover, measures 34.5 x 15, features several loops and snap fasteners, with a parts label affixed to the lower left: “V070-362714-007, 03953, A71243.” Also present are tape-affixed “Flown Hardware” and “Unserviceable Condemned” tags, with the former reading: “Orbiter No. 99, STS NUmber 8, Part Name Blanket, Part No. V070-362714-007, Serial No. A71243, Quantity 1, Date 10-13-83.” In fine condition, with some dampstaining to the tags.