Obviously, Intel stopped making that chip long ago ... so where did the official space agency of the world's mightiest nation procure this essential equipment? In the same place where you get your vintage, lightly used ThunderCats Underoos, of course ... on eBay!
"We also won the complete Lost In Space series on LaserDisc. Ominous, yet f*****g sweet."
Since the likes of RadioShack and Best Buy don't stock the 8086 anymore, NASA had to turn to auction websites to boost its ever-dwindling collection of backup parts. If you sold an old computer or some outdated medical equipment to KubrickFan69 around 2002, there's a chance your used junk has left our atmosphere at some point. And it wasn't just chips: NASA also had to plunder other arcane parts, like drives for its eight-inch floppy disks.
Presumably, the idea is to make aliens feel so sorry for us that they won't even bother to invade.