First, you must beat the seventh gym. Then, go to the Veilstone Galactic building and there should be a grunt standing outside by the sattelite that is to the right. Talk to him, and he will talk to you then run away. He will drop an item. Pick it up. It is the Galactic wearhouse key.
You find it in the Galactic Headquarters after they capture Azelf, Uxie, and Mesprit.
Inside the Galactic Warehouse, the one guarded by the two grunts.
go in yellow circles and stairs
train
To get into the Team Galactic HQ in Pokemon Diamond you will need the storage key the Galactic Grunt leaves behind, and the Dusk Stone. If you can't get the key, it may mean you have not completed a mission.
you use it in the warehouse i think
you have to go into the warehouse and beat everyone there to get the galatic key
You find it in the Galactic Headquarters after they capture Azelf, Uxie, and Mesprit.
in veilstone city the team galactic warehouse the HM fly will be their.
Inside the Galactic Warehouse, the one guarded by the two grunts.
In Pokemon Diamond, there are two locations where a Dusk Stone can be found. The first is in the Galactic Warehouse, and the second is Victory Road.
you go all the the way to the top of warehouse then you beat cyrus and there is a green button and you go on it
You go into one of the houses below the Galactic warehouse in Veilstone and an old lady gives you a proygon.
Galctic Headquarters is actually the Team Galactic Veilstone Building, but you'll need a Galactic Key to enter most of the doors.
defeat team galactic boss at the team galactic veilstone building.
From Cyrus after you beat him at the Galactic Veilstone Building (4th Floor)
you get the master ball once you beat Cyrus in the galactic building