Deploying Alien Nanites will help you finish a Legendary quest in Fortnite Chapter 2 Season 7.
Appearing during Week 5, and following on getting orders from a payphone and interacting with a CB Radio, this task is far less straightforward in comparison.
Alien Nanites are rather elusive, for some reason, and it may take you a while to stumble upon them. That being said, this guide explains how they spawn, some possible spots that worked for us, as well as how to deploy Alien Nanites once you’ve looted one.