In game, the player can access the Safe Deposit Storage only when he is in appropriate room of the Headquarters. But in parallel, the Player can research the individual Teleportation technology, which allows to teleport to HQ from any place in the game universe, at the end of the research tree.
This mod is compatible with the game version 7.10 and higher.

• Access to Safe Deposit Storage and Pilot's Inventories from anywhere in the game world, depending on the Teleportation technology range.
  
• Ability to transfer items between Safe Deposit Storage and Pilot's Inventories and Player's inventory.

You can download the latest version via Steam - Chem O`Dun's Workshop on Steam
Or you can do it via the Chem O`Dun's Mods list on Nexus Mods[next.nexusmods.com]

https://www.youtube.com/watch?v=ajfj0C5JpwI