Canisters are commonly filled with silica gel and other molecular sieves used as desiccant in drug containers to keep contents dry. Silica gel in a sachet or porous packet. A desiccant is a hygroscopic substance that induces or sustains a state of dryness (desiccation) in its vicinity; It is the opposite of a humectant. Commonly encountered pre-packaged desiccants are solids that absorb water.
Armstrong in November 2011 at the U.S. Capitol, when he and the other astronauts from the Apollo 11 mission were awarded Congressional Gold Medals. Former astronaut Neil Armstrong, known for his words, That's one small step for man, one giant leap for mankind, has died. The first man ever to walk on the moon was 82.
The two people who went with Neil Armstrong to the moon on Apollo 11 were Buzz Aldrin (the Lunar Module Pilot) and Michael Collins (the Command Module Pilot). Buzz Aldrin accompanied Neil Armstrong onto the lunar soil as the first two people to walk on the Moon. It's mostly because people are so fascinated by the concept of the first person to walk on the Moon that Neil Armstrong is more famous than the other two.