Help moving multiple parts relative position using align position

You can write your topic however you want, but you need to answer these questions:

  1. What do you want to achieve? Keep it simple and clear!
    I want to move units and keep them at the same relative distance to each other before being moved

  2. My issue is I’ve achieved this but need to use align position

  3. I’ve tried welding them but if you weld multiple units its gets fringed everywhere cause and ive been looing everywhere on the devforum with no luck

ex:
https://youtu.be/U2HiNWOtGzk

Here is what happens when i use alignposition