Bidspirit auction | Astronaut Sidney Guiterrez signed NSTL

Astronaut Sidney Guiterrez signed NSTL Space Shuttle main engine commemorative envelope PM Pearlington. MS Sep 26 PM 1980 39572. STS-40 Spacelab Life Sciences (SLS-1). a dedicated space and life sciences mission. which launched from the Kennedy Space Center. Florida. on June 5. 1991. SLS-1 was a nine-day mission during which the crew performed experiments that explored how humans. animals. and cells respond to microgravity and re-adapt to Earth's gravity on return. Other payloads included experiments designed to investigate materials science. plant biology and cosmic radiation. Following 146 orbits of the Earth. Columbia and her crew returned to land at Edwards Air Force Base. California. on June 14. 1991. Mission duration was 218 hours. 14 minutes. 20 seconds. STS-59 Space Radar Laboratory (SRL-1). part of Mission to Planet Earth. was an eleven-day flight dedicated to the study of the Earth and the atmosphere around it. The two primary payloads were the Spaceborne Imaging Radar-C/X-band Synthetic Aperture Radar (SIR-C/X-SAR). and Measurement of Air Pollution from Space (MAPS). The crew completed over 400 precise manoeuvres (a Shuttle record) to properly point the radar. imaged over 400 selected sites with approximately 14. 000 photographs (a Shuttle record) and recorded enough data to fill 26. 000 encyclopaedias. Areas of investigation included ecology. oceanography. geology. and hydrology. Launching on April 9. 1994. from the Kennedy Space Center in Florida. the Endeavour and her crew of six completed 183 orbits of the Earth before landing at Edwards AFB. California. on April 20. 1994. We are breaking up a large collection of Space Shuttle Astronauts NASA STS crews. Cosmonauts autographed on mainly US FDCs many with rare postmarks. Single Vendor RAF cover collection. Good condition. All autographs come with a Certificate of Authenticity. We combine postage on multiple winning lots and can ship worldwide. UK postage from £5.99, EU from £7.99, Rest of World from £9.99