measuring approximately 5 x 5 inches

This launch cover captures a historic moment in human spaceflight and offers a compelling link between present missions and the upcoming era of lunar exploration

Extremely rare inperson signature of Liwei Yang and Alexey Leonov

Apollo 15 was the fourth mission to land astronauts on the Moon and the first to focus heavily on scientific exploration

Hans Schlegel – Spacelab malfunction procedures Jim Irwin measuring approximately 5 x 5From the personal collection of STS 55 and STS 122 astronaut Hans Schlegel : Spacelab malfunction procedures, heavy vintage NASA 1992 edition with several hundred pages. (extra shipping applies). Excellent to mint condtion hand signed by Schlegel on the title page.