Sensor Phalanx

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  • Sensor Phalanx

    this is a guide for planx and and is a copy of this wiki

    The Sensor Phalanx, only buildable on a moon, is one of the most useful buildings in the game. Using the Phalanx you can scan a planet for 5,000 deuterium. Fleets in flight towards the planetwill be shown, together with their composition of ships and time of arrival (note that you don't see resources that fleets are carrying). This allows a player to send their fleet on an attack that is timed to arrive a few seconds after the target fleet gets back, leaving not enough time for it to besaved again. Note that moons cannot be scanned with a Sensor Phalanx due to their lack of atmosphere.

    Sensor Phalanxes are also useful when attacking another player. When attacking another player, the person being attacked can see the attacking fleet coming in. Often, the person being attacked will "ninja" the attacker: move a sizable fleet to the target so that it arrives seconds before the attacking fleet, destroying it, and turning the attacker's fleet into debris. A Sensor Phalanx can be used by the attacker to see if the target is moving a fleet in an attempt to "ninja" the attacking fleet, and the attacker can then decide to call off the attack if need be.

    Before moving your fleet to a new area, it is important to be aware of nearby moons. You can find out the ranges of other phalanxes by probing their moons. It should be noted that when another player sensor phalanxes you, there is no in-game message or any message at all notifying you. The only way you could tell that you have been sensor phalanxed is if you see an attacking fleet coming at you within seconds of your own fleet's return. Sensor phalanxes give information on the fleet's origin, size, where it is heading, how long it will take to get there, and when it will get back. If you only see a fleet that has already completed its mission, you won't be able to see the composition of the fleet. In this sense, it is possible to avoid sensor phalanxes by stationing your fleet on a moon, and then fleetsaving from the moon (e.g., to a debris field). As stated above, moons cannot be scanned; therefore, if a player has at least two moons, a fleetsave from one moon to another moon is the safest possible fleetsave and cannot be detected in any way.

    What a Sensor Phalanx Can See

    If you scan the target planet of the fleet
    If you scan the home planet of the fleet
    • Fleets coming home from any mission (except Recalled deployment)
    • Fleets on a hold or expedition mission

    What a Sensor Phalanx Cannot See

    If you scan the target planet:
    • Fleets heading to the planet's DF from moon
    • Fleets heading to the planet's moon
    • Harvesting fleets launched from or returning to a moon
    In short, you will see when a fleet is arriving at the target planet , whether that fleet is deployed to the target, attacking the target, or some mission from the target that will return the fleet to the target. The key is that a fleet will be making a stop at the target planet, whether it is the target of a mission or the origin of a round trip mission.
    Grtz Corrado