If you enter into a diplomatic agreement can you move your ships freely through each others territories without initiating combat? And can two allies move into combat against an opponent and have their ships team up against their adversary?

  • 1
    Eclipse players: Is this a duplicate? Initiating combat in Eclipse Commented Sep 19, 2013 at 16:45
  • Note: a diplomatic agreement is not the same as an alliance. The expansion introduces rules for full alliances which, among other things, allows more than one player's ships to team up.
    – Aesin
    Commented Sep 20, 2013 at 23:17
  • However with the Rise of the Ancients expansion you can form Alliances in which you can move through each other's territory and even fight together. Commented Oct 10, 2013 at 15:05

1 Answer 1


To both questions, the answer is No.

From the rulebook, page 11:

Your Diplomatic relations stay in effect until the end of the game, unless you attack one of the players you have Diplomatic relations with, or they attack you. Moving your Ships to a hex where the other player has a disc or a Ship is also considered an attack. Both players then return the Ambassador Tiles and cubes to the owner. The cube goes back to a Population Track, chosen freely by the owner.

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