12. Bunker - Unauthorized NOA Modification & High Capacity Tank

Explore the Mingchan wreck and find the High Capacity Oxygen Tank blueprint.

Return to where you scanned 2 Dive Elevators (near Wangde’s Black Box). Use the Scanner Station to filter for Mingchan Wreck — select the outer-right ring signal on the panel.

Mingchan Wreck signal Mingchan Wreck approach

Outside the Wreck

Drive the Tadpole to the signal marker. Scan and collect Lithium outside the wreck. Scan Tail Tribe Table. Open a box at the wreck bottom for a Basic Battery. Enter through the right-side entrance.

Outside the wreck

Room 1

  • Left: pick up High Capacity Tank blueprint and download data
  • Other side of the door: scan Power Transmitter
  • Enter the second room

Room 1

Room 2

  • Left: scan Processor
  • Right of the door: scan Keep Calm Poster
  • Right-front: pick up Room Recipe
  • Supply box: Basic Battery x 2

Room 2

Heading to the Colonist Bunker

On the NW rock wall near the Mingchan wreck, find a hatch. Don’t park the Tadpole near electric jellyfish. On the SE side, there’s a Giant Jaw Clam (provides Lithium and a Portable Oxygen Generator blueprint — see page 21).

Heading to bunker

Inside the Bunker

  • Scan Power Storage on the right wall
  • Scan Rebreather on the box
  • Pick up Advanced Junction Box and download data from the right desk
  • Scan S-shaped shelf on the wall
  • Scan Tadpole Module at the front-left
  • Use the Bio Bed on the left (inventory expansion)
  • Single bed also on the left

Inside the bunker 1 Inside the bunker 2

Craft the High Capacity Tank

Return to base. Craft at the Fabricator. The Plasteel Ingot requires Titanium x 2 + Lithium x 1 (you should have Lithium from the Tail Tribe Table). The High Capacity Tank raises max oxygen to 120.

Craft High Capacity Tank 1 Craft High Capacity Tank 2

Published: 5/16/2026 Updated: 5/17/2026