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.
In the galactic warehouse to the left of the Galactic HQ
U can get the galstic key when you are in veiston city and go to the galactic ha and the guard to the right will drop his key
The Galactic Grunt in Pastoria City has it. You need to bet the Gym to get it.
Galctic Headquarters is actually the Team Galactic Veilstone Building, but you'll need a Galactic Key to enter most of the doors.
no only team galactic!
He is in his office. After the spear pillar event, Cyrus will disappear.
in velstone city after you beat the galactic boss in the building he gives you one
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.
you find it in the galactic HQ
With the Galactic key you can unlock any locked doors in the headquarters.
In the galactic warehouse to the left of the Galactic HQ
U can get the galstic key when you are in veiston city and go to the galactic ha and the guard to the right will drop his key
you have 2 beat every single galactic grunt, included those in the galactic building in veilstone city(very important)
you get the special key through the mysterygift
in the galactic warehouse
you go to the team galactic ware house