Two flown flags, a 5.5 x 4 printed fabric American flag, and an identical size flag of the American Institute of Aeronautics and Astronautics, carried on board the shuttle Challenger mission 41-B in February of 1984. Both flags are affixed to a 15 x 11 certificate presented to Moses Aronson by the AIAA, with printed signatures of the association’s president and mission commander Vance Brand at the bottom. Certificate is housed in a similar-size Lucite frame. In fine condition. RR Auction COA.