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White Forest satellite

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This article is about the White Forest device. For the Black Mesa device featured in the original Half-Life, see Black Mesa satellite.

White Forest rocket silo.jpg
White Forest satellite
General information




"That must be an ancient entry. There are no backup sites. If we fail, the best we can hope is that the rocket falls on the enemy. Now...inertial navigation systems..."
Arne Magnusson[src]

A satellite located at White Forest is used by the Resistance to shut down the superportal in Half-Life 2: Episode Two.


Half-Life 2: Episode One[edit]

The Combine is trying to send a transmission packet to the Combine Overworld by deliberately trying to blow up the Citadel's reactor, and start a chain reaction by feeding huge volumes of data directly into the core. Since the dark fusion reactor is destroyed, this is the only way they have to send the packet, and they're willing to sacrifice the Citadel to do so. Alyx Vance creates a copy of the data and downloads it onto her tool. The transmission is sent moments before the destruction of the Citadel.

Half-Life 2: Episode Two[edit]

There is a whirling maelstrom that is slowly gathering energy from the remains of the Citadel to become a superportal above the ruins of City 17. The Combine wants to use the portal to open a gateway to the Combine Overworld when it attains full strength. The Resistance sends a satellite from White Forest to shut down the portal using the code found by Alyx and Arne Magnusson's rocket, on which he spent his last ten years working,[1] carrying a device known as the Xenium Resonator.

Related Achievements[edit]

Half-Life 2: Episode Two
Ep2 put iteminrocket.png Little Rocket Man (30G)
Send the Garden Gnome into space.

Behind the scenes[edit]

Alyx mentions that Dr. Magnusson wanted to use a satellite to tune into the old array they set up at Black Mesa, but couldn't do it because of the Combine. The satellite launched by Gordon is part of this array. The array is not mentioned again for the rest of the game, so it is unknown if it was used at all.

According to an unused dialog, Magnusson's Xenium Resonator's original goal to was to create a barrier around the planet, instead of shutting down the superportal. Once in orbital range, it was to activate the old satellite launched by Gordon and turn it into a shield with sub dimensional properties. Furthermore, it was to block the Combine's access to Earth, even if they do manage to restore their portal network.[2]

According to Matt Wright, the team designed the rocket around blueprints from the Titan family of missiles instead of just making up something that fit their fantasies of a rocket. He adds that grounding the details of their world in reality, making them as precise as possible, makes the invented, fantastic elements seem that much more believable.[3]


When Gordon first meets Kleiner and Magnusson in the rocket silo, Lamarr climbs into the rocket compartment after Kleiner releases her. The player can close the hatch; if they brought the Garden Gnome, doing so after putting him inside grants them the Little Rocket Man achievement. Shortly before launch, Kleiner notices a "payload anomaly of eight and a half pounds."




List of appearances[edit]

See also[edit]


  1. The Orange Box Prima Guide, page 26
  2. Half-Life 2: Episode Two game files
  3. Half-Life 2: Episode Two commentary