This recent find comes from Estate of Retired NASA MSFC Aerospace Engineer that worked on Saturn/Apollo through the later Shuttle Missions. Listing is a NASA Manned Flight Awareness "PRESIDENTIAL COMMISSION" CERTIFICATE OF APPRECIATION/AWARD for work done on the Space Shuttle Challenger Accident and getting NASA back to Flight Status along with the accompanying Inter-Office MEMORANDUM reiterating appreciation for dedication to the accident investigation. Certificate is in Excellent overall condition with very minimal storage wear. Inter-office Memorandum is in Very Good condition with some creasing at top left corner (see pictures 4 and 5). Note: Certificate will be shipped carefully rolled in a tube...