This recent find comes from Estate of Retired Military Officer and NASA Marshall Space Flight Center Aerospace Engineer/Physicist who worked on many projects including Mercury and Apollo missions through Space Shuttle missions that laid the groundwork for the International Space Station and later played a critical role in the development and launch of the Hubble Space Telescope, including Mission Control - Most importantly Mr. Young (Previous owner) was the Inventor and holds patent on the Solar-Array system that powers Hubble and the "ISS" International Space Station. Listing includes a 1973-1979 NASA MSFC SOLAR ARRAY TECHNOLOGY OAST-1 ZERO GRAVITY TEST 1st Generation PHOTOS and ZERO-GRAVITY CERTIFICATE with details below:

• THE SOCIETY OF INTERPLANETARY FREE FLOATERS CERTIFICATE - September 28, 1976 - 9-1/2"W x 10-3/4"L 
• 4 1ST GENERATION PHOTOS - ALL printed on "THIS PAPER MANUFACTURED BY KODAK"
• 2 of 4 PHOTOS are RED SERIAL NUMBER PHOTOS - s73-35438 (zero gravity test flight for solar array technology) and s-79-30342 (Astronauts Dr. Margaret Rhea Seddon - one of the graduates of the FIRST CLASS of FEMALE ASTRONAUTS and Ronald E. McNair - later died January 28, 1986 during the launch of the Space Shuttle Challenger)

All photos are 1st Generation "THIS PAPER MANUFACTURED BY KODAK" with two being Red Serial Numbers. All items are in Very Good condition for use and age with some expected use/age and storage wear including slight curve on some, but would frame nicely. Photo with astronauts has an spot on bottom left corner - see picture 13, but all have good corners. Items shown in last two pictures are NOT included in listing, but shown only for reference. Please see condition description and all pictures and to see More Vintage/Antique Collectibles from this Estate other Estates and several Picks just Click on my Store link and Thank you for Looking... NOTE: International orders are subject to customs/tariffs upon entry to their Country and not included in purchase or shipping price.