Are we alone in this universe? Los Santos certainly isn't.

Installation:

1: Install Menyoo by MAFINS:
https://www.gta5-mods.com/scripts/menyoo-pc-sp

2: Extract the "Fort Zancudo UFO Captured.xml" file to "E:\SteamLibrary\steamapps\common\Grand Theft Auto V\menyooStuff\Spooner"

3: Spawn with Menyoo trainer