In the event of a PLSS failure

Acrylic containing flown heatshield fragments from every manned Gemini flight - Gemini 3-12 - these were all taken from original acrylics made by NASA or contractors and presented to VIPs and high ranking officials within NASA

During mission STS-71

Challenger's maiden voyage was mission STS-6 on April 4

Worn on the lunar surface by Scott as part of his PLSS and carried on the first lunar rover for a total of more than 18 hours then used again by Alfred Worden during his first deep-space EVA

Alexey Leonov – LM + LK photo Jim Irwin In the event of aRare artist rendition 8x10 glossy photo of the LM and LK lunar landers in comparison hand signed by Alexey Leonov who was a potential candidate for the first Russian on the moon should they have landed first on the moon.