Color first edition of the STS 51-L Space Shuttle Mercator Orbit Map, 32.25 x 18.25, scale 1:52,000,000, dated September 1985, showing sub-orbital points, antenna locations, and the Tracking and Data Relay Satellite System for AOS and LOS. Lithographed by DMAAC 12-85, and prepared and published by the Defense Mapping Agency Aerospace Center. Rolled and in fine condition, with trivial edgewear. An uncommon mercator map for the tragic final flight of the Space Shuttle Challenger.
