My granddad was one of the @IBM engineers who built the computers in the instrument unit (the black ring at the very top)
https://twitter.com/NASA/status/1151665396078043136 …
Standing tall at 363 feet, the Saturn V rocket was the only vehicle of its time that could accomplish a feat such as landing humans on the Moon. 
This #Apollo50th, the @AirAndSpace Museum has brought the rocket back to life on the Washington Monument: https://go.nasa.gov/2LYv7eQ pic.twitter.com/jwJvpshmLi
This 
