Quarantine Enforcement Platform

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This article contains information that is updated for the latest Experimental Version of Subnautica. Players using stable mode may find this information inaccurate.

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   <default>Quarantine Enforcement Platform</default>
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Structural Analysis complete. Designation: super weapon. Evidence suggests this facility will intercept all ships attempting to approach or take off from the planet. Scanning for any method of disabling the weapon.

― PDA, Dialogue

The Quarantine Enforcement Platform (QEP) is a massive Precursor weapon system that is located on the Mountain Island. It is the source of the energy beams responsible for causing both the Degasi and Aurora to crash on Planet 4546B, as well as eventually destroying the Sunbeam.

The weapon was built by the Precursor race around one thousand years ago, in order to prevent the spread of the Carar bacterium from planet 4546B to other planets.

The player must locate the purple Precursor Artifact to gain entrance to the facility; two of them are located on the Mountain, while a third is located inside the facility itself on the balcony near the barrier to the control room, and one is located in an underwater cave near the base. The player must cure himself of Carar before being able to disable the facility and leave the planet. If the player attempts to disable the facility before they cure themselves of Carar, they will be denied.

To view the weapon aiming and firing, type 'precursorgunaim' into the console and to view just the firing FX, type "playsunbeamfx" into the console.

Warpers can be found patrolling in the waters around the Quarantine Enforcement Platform.

A small number of Ion Crystals can be found here.

Interior

The Quarantine Enforcement Platform's interior consists of two major areas, the upper 'engineering' section and the submerged lower section. Both sections have separate entrances, although the player can take an anti-gravity elevator found within the facility in order to access one section from the other. The purple Precursor Artifact is required in order to unlock the upper entrance, the elevator, and the control room.

Upper Section

The entrance to the upper section can be found on the beach of the Mountain Island, a large door gives access to the interior from here. Two data terminals and two Ion Crystals are found in the upper section. The gun itself, when on standby, is placed vertically as to not immediately alert the player to the fact that the facility is actually a super weapon, instead appearing as some kind of monument.

Lower Section

The entrance to the lower section is a large opening in the side of the "tower", which gives access to a large moonpool. The moonpool is large enough to fit two-three Cyclops submarines. Inside the moonpool room are two doors, one leading to the right and one leading straight forward. The door to the right leads to the elevator, while the other door leads deeper into the facility, into a room dominated by a series of platforms and ramps. Another Ion Crystal can be found here.

In the corner of the "ground floor" of the room is a winding hallway that leads to the Precursor Teleporter room. Going up the ramps will lead the player to the control room. The deactivation terminal can be found here, which will unfold and activate when you are near it. After unsuccessfully using the terminal, the player will receive a notification from their PDA about the location of the Disease Research Facility.

Resources

Data Bank Entry

<tabber> Energy Core=


Massive energy readings for this structure indicate it is the main reactor powering the facility.

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Gallery

<tabber> In Game Screenshots=

Exterior

The moonpool entrance
Suspended structures outside the Quarantine Enforcement Platform
Overview
The Gun firing
The Enforcement Unit from underwater

Interior

Entrance hallway
Ditto, further in
Main foyer, upper level
Ditto, lower level
A room with a data terminal and Ion Crystal
Anti-gravity elevator shaft
Moonpool
Ramp hallway, lower level
Ramp hallway, upper level
Control room
Reactor
A data terminal found within the structure
A pair of Ion Crystals found in the main foyer
A Purple Artifact on a pedestal in the upper level of the main structure
Deactivation terminal
The deactivation terminal testing the Player for Carar

|-| Sunbeam Event=

Stage 1: The Quarantine Enforcement Platform is in its default position
Stage 2: The barrel extends upwards
Stage 3: The turret swivels around into position, sirens start to go off
Stage 4: The Sunbeam comes into view, the turret begins to track the Sunbeam's position
Stage 5: The Quarantine Enforcement Platform fires, destroying the Sunbeam
Stage 6: Once the debris settles, the turret begins to move back into its default position
Stage 7: The turret takes on its tower form, sirens go off once more

|-| Videos=

SN PrecursorGun 01

Energy pulse animation
Badaboom

The array turning, and the sounds of the beam and explosion.
SN Sunbeam 09

Updated Sunbeam explosion
Louis Karim Live Stream (Terminal)

Early animations for the array deactivation terminal
Brandt Wojak Live Stream

Animations for the "gravity elevator" linking the upper and lower sections of the array.
Terminal wip

Deactivation terminal in game

|-| Concept Art=

Concept Art
Deactivation terminal Concept Art
Control room Concept Art

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Trivia

Previous names for the Quarantine Enforcement Platform include Precursor Gun, Precursor Global Defense System, Precursor Ground-to-Air Weapon System, and Precursor Array.
Previous versions of the weapon were positioned in a way where it was more apparent that it was in fact a weapon system. The current version makes this less obvious by having the weapon point straight up prior to firing, appearing like a tower.