The Jetpack Base is a very rare and high valuable looted component to craft the Jetpack, a rare vehicle.
The Jetpack base is lootable from Black Suns NPC:
- on Yavin IV (NW of Map and around Imperial outpost, also circle the volcanoe in the SE)
- on Endor (E & SE of Map)
- but not inside the Death Watch Bunker or the Endor Blacksun Stronghold
The percent you loot a Base is about 0.2% (or about a 1 in 500 chance) / Black Sun...So have a nice hunting.
To craft the Jetpack you need to be a Master Trader (Engineering) and go inside the Death Watch Bunker, however to enter the crafting room you need a Master Trader (Engineering) in your group with at least 3 Components in his inventory to unlock the door and a looted Bounty Hunter armor bracer or helmet.