18 months

Every mention of 18 months across the entire archive — with clickable timestamps to jump straight to the source.

2 Videos

3 Mentions

2 videos containing this reference

@JesseMichels

1 mention

And NASA did an experiment where they survived 18 months in the vacuum of space.

@Area52Investigations

2 mentions

18 months, I had been trying to talk to him.

At least 18 months.