Go to the galatic grunt by the building in veilstone city with the antennas talk to the grunt outside and hell run away leaving a pokeball item.Pick it up and use the key for the warehouse go deep inside and battle the galatic grunts until you find all the pokeball items youll find the galatic key .
In Pearl and diamond, use a dusk stone, it will evolve into honchrow you can get a dusk stone in the galactic warhouse in veilstone city
you can't get it.
You will need Galactic key and this how to get Galactic key you will need to talk to a Galactic team mate by the Galactic HQ.
the galactic key is in the veilstone city ware house
the first galactic key is in the galactic warehouse
the galactic key is in somewhere in the game N.M.I
go to galactic headquarters in veilstone city then you need a galactic key and the storage key to open the door of team galactic's door
Right outside the galactic hq, talk to the grunt and then looker will come and give you the storage key. The building in front of you is not the warhouse though, you have to go around to the upper left hand corner of the town and there will be the warehouse where the "Looker" will be there to unlock the door inside for you. i had this same problem and i was trying to use the key for the wrong door the whole time!
In the Galactic warehouse. 0.0
With the Galactic key you can unlock any locked doors in the headquarters.
When you enter the city from the west, you go right, and you will see two grunts, and if you have beaten gym leader, Dawn/Lucas.
you find it in the galactic HQ