Neil Armstrong's LM PPK contained a bit of wood in the Wright brothers' 1903 Wright Flyer's left propeller along with a piece of material from its wing,[81] in addition to a diamond-studded astronaut pin initially supplied to Slayton because of the widows on the Apollo 1 crew. RTC 01 https://ambiqapollo398754.luwebs.com/34983094/facts-about-ambiq-micro-inc-revealed