My employer maintains a number of "recreational" Slack channels. As at wholly distributed-workforce with a significant percentage of employees on work-from-home basis, it's a good method for cultivating a corporate culture and actual team-building (e.g., as a result of our EDM channel, have made arrangements to meet up with interested co-workers at events we already go to).
At any rate, in our "random" channel, one of the back-office people posted this. I thought it was nifty (and it's definitely one of those things that working/living in the DC area makes more likely than a lot of other areas). So I asked if I could re-post an anonymized version, here. She was nice enough to say "yes".
#NASA
#History
#Keepsakes